PRO ELECTRON

EUROPEAN TYPE DESIGNATION CODE SYSTEM

FOR ELECTRONIC COMPONENTS

AND

WORLD-WIDE TYPE DESIGNATION CODE SYSTEM

FOR TV PICTURE AND MONITOR TUBES
AND FOR OSCILLOSCOPE TUBES

in co-operation with
ECA/EIA (USA), EDEREC/JEITA (Japan) and ECRC/EIAK (Korea)

Diamant Building
80, Blvd Auguste Reyers
1030 Brussels - Belgium

D.15 Tel: +32 2 706 86 03

Tenth Edition Fax: +32 2 706 86 05
2001- 07 Email: proelectron@eeca.be

1
Compiled by: PRO ELECTRON, Brussels (Belgium)

No part of this document may be reproduced in any form, by print, photoprint, microfilm or any
other means without written permission of the publisher and of PRO ELECTRON.

D15/2001-07

2
 CONTENTS
page

1 EUROPEAN TYPE DESIGNATION CODE SYSTEM ..........................................................4

1.1 The System .............................................................................................................4
1.2 Organisational aspects ............................................................................................4
1.3 The Benefits ............................................................................................................4
1.4 Background .............................................................................................................5
2 TYPE ALLOCATION RESERVATION AND REGISTRATION PROCEDURES .....................6
2.1 General rules...........................................................................................................6
2.2 Allocation and reservation of type numbers ..............................................................7
2.3 Registration of type numbers ...................................................................................7
2.4 Amendment procedure.............................................................................................8
2.5 Re-registration.........................................................................................................8
2.6 Cancellation of type numbers ...................................................................................8
2.7 Announcement lists .................................................................................................8
3 WORLD-WIDE TYPE DESIGNATION CODE SYSTEM ......................................................9
3.1 Introduction .............................................................................................................9
3.2 Detailed registration procedures for the world-wide system. .....................................9
3.3 Registration release............................................................................................... 11
3.4 Re-registration....................................................................................................... 11
3.5 World-wide system features ................................................................................... 11
3.6 General rules......................................................................................................... 12
3.7 Final authority........................................................................................................ 12
4 TYPE DESIGNATION CODES ........................................................................................ 13
4.1 Discrete semiconductor devices ............................................................................. 13
4.2 Integrated Circuits ................................................................................................. 17
4.3 Liquid Crystal Displays........................................................................................... 21
4.4 Sensor Devices ..................................................................................................... 22
4.5 Receiving Tubes .................................................................................................... 23
4.6 Cathode Ray Tubes ............................................................................................... 23
4.7 Professional Tubes ................................................................................................ 38
4.8 Miscellaneous products ......................................................................................... 39
4.9 Codification and registration system for EEPROMs for chip cards of the
synchronous type according to ISO/IEC 7816-10 .................................................... 40
Annex A Guidelines for assigning a new type number (family code and / or member of
family) to colour TV picture tubes and monitor tubes ....................................................... 41
Annex B Guidelines for assigning a new type number (family code and / or member of
family) to monochrome TV picture tubes and monitor tubes ............................................. 46
Annex C Guidelines for assigning a new type number (family code and / or member of
family) to electrostatic deflection type cathode ray tubes ................................................. 49
Annex D Former system of version letter for integrated circuits (for reference only)............... 52

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1 EUROPEAN TYPE DESIGNATION CODE SYSTEM

1.1 The System

The PRO ELECTRON system is the European type designation and registration system for
active components ,such as electronic tubes and cathode ray tubes, semiconductors,
liquid crystal displays, sensor devices, etc. providing concise and unambiguous type
designations. The system provides integrity of the designations, and creates transparent
and unique product identification, thus preventing confusion in the market place.
All PRO ELECTRON type numbers consist of a prefix followed by a serial number. The
prefix, generally two or three letters, clearly classifies the devices into categories with a
sub-classification into classes, series or families.
The serial number is a registration number and identifies a particular device in a class,
series, or family.

1.2 Organisational aspects

PRO ELECTRON is a non-profit making organisation operating as an agency of the
European Electronic Component Manufacturers Association (EECA), Brussels, Belgium.
The system is financed by annual membership fees. Members are companies
manufacturing active electronic components in Europe.
The PRO ELECTRON Steering Committee supported by the EECA/PRO ELECTRON
Secretariat manages and administers the system. The reservation and registration
activities for the system have been subcontracted, since 1994, to Fretwell Downing
EDUCATION (FDE), formerly called CODUS Ltd., in Sheffield, United Kingdom.

1.3 The Benefits

• The type numbering system identifies a device in an unambiguous way.
• Identical devices will carry the same type designation.
• The same type designation will never be allocated to any other device, barring
misappropriation by outsiders.
• The type designation system enhances an easy communication between
manufacturers and users of electronic components.
• A device can be ordered by electronic equipment manufacturers or service engineers
with confidence that it corresponds to the same defined data, even if it is made by
more than one manufacturer or if several years have passed since it was first
introduced.
• Type designations allow a convenient method of indicating interchangeability or
similarity of devices.
• Type designations are short, self-explanatory and easy to memorize.
• Type designations include information which readily associates them with a group or
family of devices and their applications.
• Classification letters have been carefully chosen to assist alphanumeric filing of data
sheets, as well as providing a convenient arrangement in lists or tables of devices.
• In using the code consistently for all devices of the same category, a manufacturer can
assure an orderly progression in the development of new types.
• The code is accepted by national government agencies and international
organisations.

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1.4 Background

A common type nomenclature code for receiving tubes was introduced by a number of
manufacturers in the 1930s, followed in the 1950s by a common code for semiconductor
devices. Later, as more and more manufacturers realized the advantage of the use of a
common type numbering code and became interested in using the system, it was decided
to found a separate organization to administer the allocation and registration of type
numbers. So in 1966 the pan-European organisation “PRO ELECTRON” was set up in
Brussels to perform this function. On 1st January 1983 Pro Electron merged with the
European Electronic Component Manufacturers Association (EECA) and pursued its
activities under the name of “Pro Electron Registration Office, and EECA Agency”.

For TV picture tubes, for monitor tubes and for oscilloscope tubes, PRO ELECTRON in
Europe, the Electronic Industries Alliance of the United States of America, the Japan
Electronics and Information Technology Industries Association and the Electronic
Industries Association of Korea, maintain jointly one World-wide type Designation Code
System (WTDS). This part of the PRO ELECTRON system is administered by registration
offices, PRO ELECTRON in Europe, EDEREC in Tokyo, Japan, ECRC in Seoul, Korea and
ECA/EIA in Arlington, VA, USA.

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2 TYPE ALLOCATION RESERVATION AND REGISTRATION PROCEDURES

2.1 General rules

2.1.1 General Administration and Secretariat

PRO ELECTRON
Diamant Building
80, Blvd Auguste Reyers
1030 Brussels
Belgium
Tel : +32 2 706 86 03
Fax : +32 2 706 86 05
Email: proelectron@eeca.be

The type numbers are allocated, reserved and registered by

Ms Karen Stanley (subcontractor of Pro Electron secretariat)
39 Headland Drive
Crosspool
Sheffield S10 5FX
UK
Tel : +44 114 266 1248
Email : kb.stanley@virgin.net

2.1.2 Registrable are:

ELECTRONIC TUBES
DISCRETE SEMICONDUCTOR DEVICES
INTEGRATED CIRCUITS, incl. Microprocessors, Charge-Transfer Devices and Switched
Capacitors
LIQUID CRYSTAL DISPLAYS
SENSOR DEVICES
MISCELLANEOUS PRODUCTS – Silicon monolytic microphones.
EEPROM’s
2.1.3 Any PRO ELECTRON member may apply for the allocation, reservation and registration
of a type number at any time. It is however recommended that no registrations are made
before samples of the device are available.

2.1.4 The type numbers allocated are not the property of the sponsor; other manufacturers
may use type numbers allocated by PRO ELECTRON if the data of their products are
equivalent to the data registered with PRO ELECTRON by the original sponsor. It will be
the responsibility of such manufacturer to ensure that his device and that of the original
sponsor are equivalent.

2.1.5 Type numbers allocated by PRO ELECTRON should be used without any change or
additions. Type numbers for variants and existing type numbers with a version
letter are subject to the allocation, reservation and registration procedures. If a
member intends to add information, he shall separate it from the PRO ELECTRON
designation ( including a version letter or a suffix) by a slash after the P.E.
designation.

2.1.6 The services rendered by the PRO ELECTRON secretariat and the Office to the
Members, including reservation and registration of type numbers, are free of charge.

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2.2 Allocation and reservation of type numbers
In the rules for the reservation of type numbers as listed below, no difference is made
between basic types, variants and associated types. In the case of large IC-families,
however, the whole family of at least 50 basic type numbers will be reserved as one
block, as these IC-families usually take years to grow.
General rules
Type numbers and families may be reserved by any means of communication, be it by
letter, telefax, telephone or email. Each reservation has to be confirmed by FDE by
Email, or Fax, and in exceptional circumstances by letter. In order to avoid having
reservations of many years' standing, the sponsor should take the initiative to cancel any
reservation of a type of which the production will become unlikely.

2.3 Registration of type numbers

2.3.1 The application for the registration of a type number must be initiated by the
manufacturer of the device.

2.3.2 When registering a type number the manufacturer has to complete the relevant
application form or any agreed form of correspondence.

These are:

Discrete semiconductor devices DOC. SC-100B

Integrated circuits DOC. CI-109
Liquid crystal displays DOC. LCD-86-5
Sensor devices DOC. SD-100
Receiving tubes DOC. RT-100
World-Wide type designation code system:

TV monochrome picture tubes DOC. CRT-100

TV colour picture tubes DOC. CRT-101
Monochrome monitor tubes DOC. CRT-100
Colour monitor tubes DOC. CRT-101
Other cathode ray tubes DOC. CRT-103
Professional tubes DOC. TE-102
2.3.3 The application form has to contain the following, preferably typewritten,
information:
• The applicant's name and address.
• The applicant's identification letters, under the heading "reference number". The
identification letters are allocated by PRO ELECTRON/FDE, the serial number by the
applicant in sequence of the application made. PRO ELECTRON/FDE refers to this
reference number in the confirmation of the type numbers. If two or more type
numbers are applied for at the same time, the application should express any
preference for the sequence of the serial numbers on the application forms. For a
number of devices of the same type, i.e. for various devices characterized by the
same letters, the applicant may use the same application form. For the application of
type numbers for different types of devices characterized by different letters,
however, separate application sheets for each type of device or series of devices
should be used.
• Date of application.
• The information asked for in the application forms, so far as applicable.

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2.3.4 The application forms have to be accompanied by the following information:

Discrete semiconductor devices: Data sheet

Integrated circuits: Data sheet
Liquid crystal displays: Data sheet
Sensor devices: Data sheet
Receiving tubes: Data sheet
Cathode ray tubes: Completed registration sheet including data
sheets for phosphor screens and
graticules, where appropriate.
Professional tubes: Data sheet

2.3.5 The information received at the PRO ELECTRON/FDE office will be kept strictly
confidential at the specific request of the applicant only. The confidential period ends
automatically after the public announcement of the type of device by the sponsor or by
another member-manufacturer.

2.3.6 Following the confidential period the sponsor confirms or amends the minimum
mandatory requirement she originally submitted to PRO ELECTRON/FDE for
registration.

2.3.7 Data shown on commercial data sheets must be in exact agreement with the minimum
mandatory requirements submitted to PRO ELECTRON/FDE for registration.

2.4 Amendment procedure

An amendment agreed by all members supplying the device shall result in their amending
or re-issuing the minimum mandatory requirements for the type.

2.5 Re-registration

Re-registration of a type is possible if so required, provided the type is not already

manufactured by other members. For this purpose the manufacturer has to send to the
Secretariat a new application form together with the data for final registration. The
manufacturer may also apply for the original type designation with a suffix letter. The
procedure to be followed for a re-registration is the same as for the "amendment
procedure" (see article 2.4 above). However, as a type number is not the property of the
sponsor, and has been registered with fixed characteristics, the re-registration must
remain very exceptional.

2.6 Cancellation of type numbers

2.6.1 If a reserved type number is cancelled, the Secretariat is free to allocate this number to
a different device. For that reason the manufacturer who is cancelling a reservation,
should state that the device concerned will never be produced under the originally
reserved type number again, and will never be sold under the same number, neither by
his company nor by resalers, distributors or setmakers. When a member has resigned
from membership all the reservations will be cancelled after one year.

2.6.2 Any registered type number which is cancelled by the sponsor, will never be used again
for any other device.

2.7 Announcement lists

A "Periodical List" is issued twice a year by the PRO ELECTRON/FDE Registration

Office. This list contains all the non-confidential type numbers registered in the last six
months, the name of the sponsor and the date of registration. This list is automatically
distributed to the P.E. members.

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3 WORLD-WIDE TYPE DESIGNATION CODE SYSTEM

3.1 Introduction

3.1.1 This chapter prescribes the administrative procedures for the orderly assignment of type
designations and registration of TV Picture Tubes (consumer type), Monitor Tubes,
Oscilloscopes, and their possible neck components, in the World-wide Type Designation
System.

3.1.2 The term "type designation" may be applied to the original assignment of a new family or
to an assignment within an existing family.

3.1.3 The purpose of the type designation and registration system is to ensure that type
designations accurately distinguish one type from another in performance characteristics
or physical dimensions.

3.1.4 Registration consists of assigning a type designation in accordance with the established
rules, recording the assignment and its defining data, and disseminating the information
to the electronics industry. Tube type assignment and registration procedures are
established jointly by four agencies:
(1) ELECTRONIC INDUSTRIES ALLIANCE (EIA) in the U.S.A.,
(2) PRO ELECTRON (PE) in Europe,
(3) EDEREC/JEITA in Japan and
(4) ECRC/EIAK in Korea.
In any event, these agencies neither assume liability for nor endorse the use of any
product which bears their authorized registration numbers. The agencies have as their
primary objective the development of recommended standards. An effective registration
procedure is considered basic to the achievement of that end.

3.1.5 Registered type numbers are not the property of the sponsor; other manufacturers may
use registered type numbers if the data of their products are equivalent to the data
registered by the original sponsor. It is the responsibility of such manufacturer to ensure
that his device and the device of the original sponsor are equivalent.

3.2 Detailed registration procedures for the world-wide system.

3.2.1 Assignment and reservation/registration procedures take the following steps:

A. Member applies to agency in writing for a type assignment. Telefax, telephone or
Email requests are acceptable if they are followed by data in writing.
B. Type Administrator assigns the third symbol (family code) of the type designation
when he has sufficient information to determine that a new designation is in order. In
case of a telephone request, the type assignment is tentatively reserved until defining
data are received.
C. Type assignment is held for a confidential reservation period.
D. At the end of the confidential reservation period, the sponsor must supply the full
registration data. At this time, the type designation is registered and becomes
industry property.

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3.2.2 Any request for a type designation assignment should be made in writing by the
manufacturer of the tube to the relevant agency:

PRO ELECTRON Registration Office (an EECA Agency)

Diamant Building
80, Blvd Auguste Reyers
1030 Brussels (Belgium)

Type Administrator
Electronic Components, Assemblies, & Materials Association (ECA) /Electronic
Industries Alliance (EIA)
2500 Wilson Boulevard
Arlington, VA 22201 3834 (U.S.A.)

Type Administration Office

Electronic Devices Registration Center (EDEREC) at the
Japan Electronics and Information Technology Industries Association (JEITA)
Mitsui Kajio Bldg
11, Kanda Surugadai 3-chome
Chiyoda-ku
TOKYO 101-0062 (Japan)

Electronic Components Registration Center (ECRC) at the

Electronic Industries Association Of Korea (EIAK)
648, Yeogsam-Dong
Kangnam-ku
Seoul 135-080 (Korea)

The applicant must supply the applicable data required on the registration format. Data
may be submitted on commercial data sheets as long as all format requirements are met.
If a data sheet is used for registration, only format items are considered to be part of the
registration.

3.2.3 Registration format forms and type assignment guidelines are available from any of the
four agencies.

3.2.4 Type numbers may be reserved by letter, telefax, or telephone: however, if written data is
not received within thirty (30) days, the reservation may be cancelled. The Type
Administrator will inform the applicant if this action is to be taken.

3.2.5 All type assignments must be made by one of the above four agencies even if the new
type is another member of an existing family (whereby only the fourth symbol and/or the
sixth symbol changes).

3.2.6 It is the responsibility of the applicant to state whether a new family code (third symbol)
is required or if a new number of an existing family is being requested. If only a new
number in an existing family is being requested, the applicant must give the existing
family code (third symbol) and the desired variant.

3.2.7 Upon receipt of a request, the Type Administrator determines the adequacy of the data
and makes an assignment of the third symbol if one is in order. If the sponsor has not
specified the fourth and sixth (if applicable) symbols, the Type Administrator will assign
these also. Written notice of the assignment is sent to the applicant.

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3.2.8 Once a new third symbol (family code) is assigned to an applicant, it will be reserved for
that sponsor for future assignments of other types within the same size or for other sizes
having the same family relationship. However, with permission of the original sponsor,
other manufacturers may specify assignments in the same family.

3.2.9 Manufacturers sometimes add prefix or suffix letters to type designations on their tubes
or in their commercial literature. Prefixes or suffixes are not part of the designation. The
agencies assume no responsibility for the use or meaning of such additions.

3.2.10 The registration data received by any of the four agencies shall be kept strictly
confidential until the sponsor is ready to release it. This confidential registration period
shall not exceed six (6) months from the date of the assignment unless the sponsor
requests in writing a six-month extension (allowed one time only). If the need for a type
assignment ceases to exist, the sponsor should cancel it and no further use of the type
designation will be made. The confidential period ends automatically after public
announcement of the type by the sponsor or by another member or manufacturer.

3.2.11 Corrections or changes in the registration data may be submitted during the confidential
period.

3.3 Registration release

Each agency will establish its own registration release procedures; however, at the end
of the confidential period each agency will send the completed registration data to the
other three agencies.

3.4 Re-registration

3.4.1 Registered data may be changed by re-registration. Re-registration may be proposed

only by a tube manufacturer or the relevant technical committee.

3.4.2 Re-registrations should be used only for changes or additions which will not affect
unilateral interchangeability with the original version. However, re-registration may be
proposed even though unilateral interchangeability may be affected if the proposal is
accompanied by information indicating that user interests will not be adversely affected
by the re-registration.

3.5 World-wide system features

3.5.1 The Type Administrators will act upon all requests for new type assignments without
making a search of the existing type assignments to determine if there is already one
identical to the new request.

3.5.2 The third symbol letters are allocated in blocks to the four assignment agencies as
follows:
AAA through DZZ ECA/EIA (USA)
EAA through HZZ PRO ELECTRON (Europe)
JAA through MZZ EDEREC/JEITA (Japan)
QAA through TZZ ECRC/EIAK ( Korea)

The remaining unused blocks of letters will be assigned by mutual agreement to each
assigning agency when required.

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3.5.3 Type Administrators for ECA/EIA, PRO ELECTRON, EDEREC/JEITA and ECRC/EIAK
will assign the third symbol family code in alphabetical sequence; however, the sponsors
have the option of requesting any unassigned numbers in any order for the fourth and
sixth symbols. This enables the sponsors to encode tube families, within the established
rules, to meet their own particular needs. The fourth and sixth symbols may even have
the same meaning for all sizes of tubes within the same family.

3.5.4 Referral registrations are allowed only within a family (types having the same third
symbol).

3.6 General rules

3.6.1 Unless described differently in Chapter 3, the procedural rules of Chapter 2 apply also to
the world-wide system. This provision applies in particular to articles 2.3.2, 2.4 and 2.6,
which are not repeated in Chapter 3.

3.6.2 The details of the world-wide code system and how it is to be used are contained in
Chapter 4 (4.6.1 and 4.6.2).

3.7 Final authority

In those instances where the application of the procedures as herein described is

unsatisfactory to the parties concerned and is not apparently reconcilable, the final
authority shall rest with the technical committee of the assigning agency.

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4 TYPE DESIGNATION CODES

4.1 Discrete semiconductor devices

This type designation code applies to discrete semiconductor devices - as opposed to

integrated circuits - multiples of such devices, semiconductor chips and Darlington
transistors.
A basic type number consists of two letters followed by a serial number

4.1.1 The first letter gives information about the material used for the active part of the
device.
A - Germanium or other material with band gap of 0,6 - 1,0 eV
B - Silicon or other material with band gap of 1,0 - 1,3 eV
C - Gallium-arsenide or other material with band gap of 1,3 eV or more
D - Ceramic
R - Compound materials (e.g. Cadmium sulphide)

4.1.2 The second letter indicates the function for which the device is primarily designed 1).
The same letter could be used for multi-chips devices with similar elements.
A Diode Signal, low power 2)
B Diode Variable capacitance
C Transistor Low power, audio frequency
D Transistor Power, audio frequency
E Diode Tunnel
F Transistor Low power, high frequency
K Capacitor
G Multiple devices Miscellaneous Devices 3)
H Diode Magnetic sensitive
L Transistor Power, high frequency
M Mixer
N Photo coupler
3
Q Radiation generator Light emitting diode LED, Laser )
R Control or switching Low power
device (e.g. Thyristors, Diacs, Triacs, Uni-
junction transistors (UJT),
Programmable uni-junction
transistors (PUT), Silicon
bidirectional switch (SBS) or Opto-
3
triacs) )
S Transistor Low power, switching
3
T Control or switching device Power (e.g. Thyristors or Triacs) )
U Transistor Power, switching
V Antennas
W Surface acoustic wave device
X Diode Multiplier (e.g. Varactor, step recovery)
Y Diode Rectifying, booster voltage reference or
regulator
3
Z Diode Transient voltage suppressor diode )

1) Low power type = R thjc > 15°C/W; Power type = R thjc < 15°C/W
2) See Pro Electron Colour Code for small signal diodes at the end of 4.1.6
3) With special third letter: see under "Serial Number", 4.1.3.
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4.1.3 The serial number may be either:
• A four digit number, running from 0001 to 9999, assigned by Pro Electron, or
• One letter (Z, Y, X, etc.) and a three digit number, running from 001 to 999, assigned
by Pro Electron.
This letter has no fixed meaning, with the following exceptions:
A - for triacs after second letter "R" or "T"
B - for HBT transistor (bipolar)
F - for emitters and receivers in fibre-optic communication, after second
letter "G", "P" or "Q" 4)
H - for HEMT transistor
L - for lasers in non-fibre-optic applications, after second letter "G" or "Q"
M - for transistor drivers, after second letter "R"
O - for opto-triacs after second letter "R"
R - for semiconductor resistor network, after second letter "C"
T - for tri-state bicolour LEDs after second letter "Q".
W - for transient voltage suppressor diodes after second letter "Z"
For Photocouplers: One letter and the serial number (even if the serial number is a
combination of figures and letters) of an existing company type designation of the
manufacturer.
Examples of basic type numbers:
AA112 Germanium, low power signal diode,
ACY32 Germanium, low power AF transistor,
BD232 Silicon, power AF transistor,
To a basic number may be added:

4.1.4 The version letter(s): One or two letters, indicating a minor variant of the basic type
either electrically or mechanically. The letters never have a fixed meaning, except letter
R, indicating reverse polarity, letter W, for Surface Mounted Devices (SMD)

4.1.5 A suffix: Sub-classification may be used for devices supplied in a wide range of variants
called associated types. Following sub-coding suffixes are in use:

4.1.5.1 Voltage reference and voltage regulator diodes

One letter and one number, preceded by a hyphen.
The letter, if required, indicates the nominal tolerance of the Zener voltage:
A - 1 % (according to IEC 60063: series E96)
B - 2 % (according to IEC 60063: series E48)
C - 5 % (according to IEC 60063: series E24)
D - 10 % (according to IEC 60063: series E12)
E - 20 % (according to IEC 60063: series E6)
Note - In the case of a 3% nominal tolerance the letter "F" will be used. The number denotes the typical
operating (Zener) voltage related to the nominal current rating for the whole range. The letter "V" is used
instead of a decimal point.
Examples: BZY74-C6V3, BZY74-C10, etc.

4) In the case of second letter "G", the first letter ought to be defined in accordance with the material of the
main optical device.
14
4.1.5.2 Transient voltage suppressor diodes:

One number, preceded by a hyphen.

The number indicates the maximum recommended continuous reversed (stand-off)
voltage V R . "V" is used instead of a decimal point.
Example: BZW70-9V1 or -39.
The letter B may be used immediately after the last number to indicate "bi-directional
suppressor diodes".
Example: BZW10-15B.

4.1.5.3 Conventional and controlled avalanche Rectifier Diodes and Thyristors:

One number, preceded by a hyphen.

The number indicates the rated maximum repetitive peak reverse voltage (V RRM ) or the
rated repetitive peak off-state voltage (V DRM ) whichever is the lower. Reverse polarity
with respect to case is indicated by letter R, immediately after the number.
Example: BTY80-100 or -100R.

4.1.5.4 Radiation detectors:

One number, preceded by a hyphen.

The number indicates the depletion layer in µm. The resolution is indicated by a version
letter.
Example: BPX10-2A.

4.1.5.5 Array of radiation detectors and generators:

One number, preceded by a hyphen.

The number indicates how many basic devices are assembled into the array.
Example: BPW50-6, BPW50-9, BPW50-12.

4.1.5.6 Radiation generators:

One number, preceded by a hyphen.

The number indicates the luminous intensity range in milli-candela(mcd)

Example: CQY54-1.

4.1.5.7 High frequency power transistors:

One number, preceded by a hyphen.

The number indicates the supply voltage.

Example: BLU80-24.

15
4.1.6 Colour codes for small signal diodes

Table 1 - Colour codes for small signal diodes

PREFIX SERIAL VERSION LETTER

NUMBER (if any)

METHOD I METHOD II METHOD I: narrow bands

2 broad bands Body colour METHOD II: one broad band followed
by narrow band (s)

AA. - brown Z. - white 0. - black A. - brown

BA. - red Y. - grey BAY. - grey 1. - brown B. - red
X. - black BAX. - black 2. - red C. - orange
W. - blue BAW - blue 3. - orange D. - yellow
V. - green BAV. - green 4. - yellow E. - green
T. - yellow BAT. - yellow 5. - green F. - blue
S. - orange BAS. - orange 6. - blue G. - violet
7. - violet H. - grey
8. - grey J. - white
9. – white

The cathode side is indicated by the broad band (s)

16
4.2 Integrated Circuits

This type nomenclature applies to semiconductor monolithic, semiconductor multichip,

thin film and thick film hybrid integrated circuits.

A basic type number consists of three letters followed by a serial number

4.2.1 The first and the second letters:

4.2.1.1 Digital Family Circuits

The first two letters (FA...FZ, GA...GZ, HA...HZ, PA...PZ) identify the family.
Note: A Survey of the basic characteristics (such as supply voltage, power consumption, propagation delay
time, noise immunity) of several digital families is given in table 2.

4.2.1.2 Solitary Circuits

The first letter divides the solitary circuits into:

S - Solitary digital circuits
T - Analogue Circuits
U - Mixed analogue/digital circuits
The second letter is a serial letter without any further significance except "H" which
stands for hybrid circuits.
Note - The first letter “S” should be used for all solitary memories, to which, in event of hybrids the Second
letter “H” should be added (e.g. for “SH-“ for Bubble-memories).

4.2.1.3 Microprocessors

The first two letters identify microprocessors and correlated circuits as follows:
MA - Micro computer, Central processing unit
MB - Slice processor
MD - Correlated memories
ME - Other correlated circuits (Interface, clock, peripheral controller, etc).
Note - With “slice processor” is meant a functional slice of microprocessor.

4.2.1.4 Charge-Transfer Devices and Switched Capacitors

The first two letters identify the following:

NH - Hybrid circuits
NL - Logic circuits
NM - Memories
NS - Analogue signal processing, using switched capacitors.
NT - Analogue signal processing, using CTDs.
NX - Imaging devices
NY - Other correlated circuits

17
4.2.2 The third letter indicates the operating ambient temperature range.

The letters "A" through "M" give information about the temperature:

A - temperature range not specified below (*)

B - 0°C to + 70°C
C - -55°C to + 125°C
D - -25°C to + 70°C
E - -25°C to + 85°C
F - -40°C to + 85°C
G - -55°C to + 85°C
H - -40°C to + 110°C
K - -40°C to + 125°C
L - -40°C to + 150°C
M - -65°C to + 150°C
Note - If an IC is published for another temperature range, the letter indicating a narrower temperature range
may be used or the letter "A".
Example: The range 0°C to +75°C can be indicated by "B" or "A".
(*) In the case of two same types with two different “temperature ranges not specified below”, one type
should use the letter "A" as 3 rd letter and the other, the letter "X".

4.2.3 The serial number may be

- either a 5-digit number assigned by Pro Electron or,
- a numeric or alpha-numeric serial number of an existing company type designation
of the manufacturer.
To the basic type number may be added:

4.2.4 Version letter(s)

It indicates a minor variant of the basic type and/or the package

4.2.4.1 Package-outline style 5)

A single-letter-system.6)
For package-outline styles the following letters shall be used:
D Ceramic dual in line
E Ball grid array
F Flat pack
H Quad flat pack
J Dil bent sil
L Tape carrier package
N Quad flat non leaded
P Plastic dual in line
Q Quadruple in line
S Single in line
T Small outline
U Uncased
V Bump chip carrier
W Leaded chip carrier
X Leadless chip carrier
Y Pin grid array

5) Former system of package-outline style, see Annex D, for reference purpose only

6) Optionally manufacturers may add a second letter, to indicate a minor variant of the package outline style,
according to their internal system.

18
Table 2 - Digital IC families allocated by PRO ELECTRON

Family Year of Sponsor Remarks

registration
FA 1966 TELEFUNKEN Obsolete
FB 1968 TELEFUNKEN Obsolete
FC 1967 PHILIPS
FD 1971 PHILIPS
FE 1972 PHILIPS
FF 1966 PHILIPS
FG 1966 PHILIPS Obsolete
FH 1967 PHILIPS
FJ 1972 PHILIPS
FK 1967 PHILIPS
FL 1966-75 SIEMENS a) Obsolete
FN 1967 TELEFUNKEN
FO 1996 SIEMENS a)
FP 1967 TELEFUNKEN
FQ 1970 SGS-ATES b)
FR 1967 PHILIPS
FS 1967 TELEFUNKEN
FT 1998 SIEMENS a)
FU 1973 SIEMENS a) Obsolete
FV 1968 SGS-ATES b)
FW 1969 SGS-ATES b)
FX 1999 PHILIPS
FY 1969 SIEMENS a) Obsolete
FZ 1968-75 SIEMENS a) Obsolete
GA 1969-73 T.I. (France)
GB 1968 FERRANTI
GC 1968 SGS-ATES b)
GD 1969 SIEMENS a)
GE 1969 SIEMENS a)
GF 1973-76 T.I. (France)
GH 1970-72 PHILIPS
GJ 1969 T.I. (France)
GK 1969 PHILIPS
GM 1970-75 T.I. (France)
GP 1970 PHILIPS
GR 1970- PHILIPS
GS 1970-73 SIEMENS a)
GT 1971-72 PHILIPS
GU 1970 PHILIPS
GW 1971 TELEFUNKEN
GX 1976-80 PHILIPS
GY 1972-73 PHILIPS
GZ 1972-77 PHILIPS Cancelled
HB 1974 SGS-ATES b) Cancelled
HC 1974-81 SGS-ATES b)
HD - - Will not be
used by PE
HE 1976-81 PHILIPS
HH 1992 TESLA
HK Will not be
used by PE
HX 1979 PHILIPS
HY c) 1981-84 SIEMENS a)
a) Since 1999-04-01: INFINEON Technologies
b) Current company name is STMicroelectronics
c) Not to be used for Digital ICs

19
Table 2 - Digital IC families allocated by PRO ELECTRON (Contd.)

Family Year Sponsor Remarks

of registration
IC 2000 INFINEON
b)
PA 1991 SGS-THOMSON
PC 1984 PHILIPS
PE c) 1982 SIEMENS a)
PI 1986 SIEMENS a)
PM 1991 SIEMENS a)
PN 1982 PHILIPS
PS c) 1982 SIEMENS a)
PX 1994 SIEMENS a)
SB 1976 PHILIPS
SC 1986 PHILIPS
SF 1992 SMI
SJ 1996 PHILIPS
SX- 1998 SIEMENS a)
SZ 1995 PHILIPS
a) Since 1999-04-01: INFINEON Technologies
b) Current company name is STMicroelectronics
c) Not to be used for Digital ICs

20
4.3 Liquid Crystal Displays

The type designation code for liquid crystal displays consists of:

4.3.1 Three letters followed by a serial number and a version letter (The suffix is optional)

The first letter indicates the type of device:

L - Liquid Crystal

4.3.2 The second letter denotes the technical principle:

A - Super-twisted birefringe effect (SBE)
B - Highly twisted birefringe effect (STN or HBE)
C - Active addressing TFT type
D - Active addressing Diode type
G - White-Taylor type of guest host
H - Heilmeier type of guest host
M - Active addressing MIM type
S - Dynamic scattering
T - Twisted nematic
W - Smectic
Note - The letters "P" and "X" should not be used as 2nd letter, as they are already chosen by a
P.E.member for other purposes

4.3.3 The third letter denotes the display lay-out and construction:
A - Loose alpha-numerical display
B - Loose multifunctional display
D - Loose segment display
E - TV display module
F - TV display glass only
G - PB module: Dot matrix display
H - Datagraphic display module
J - Datagraphic display glass only
K - Projection Light Valve module
L - Projection Light Valve glass only
M - PB module: Segment display
N - PB module: Alpha-numeric display
P - PB module: Multifunctional display
Q - Interactive Module
R - On glass module: Segment display
S - On glass module: Alpha-numerical display
T - On glass module: Dot matrix display
U - On glass module: Multifunctional display
V - On foil module: Multifunctional display
W - On foil module: Dot matrix display
Z - Shutter
Note – A multifunctional display is a display showing a number of different functions.
For examples: Speedometer, clock, date, temperature symbols for oil, gasoline.
The construction can be segmented, raster, symbols or a mix of these elements.

21
4.3.4 The serial number consists of three figures without specific meaning.

4.3.5 The version letter indicates the light mode:

F - Transflective positive
G - Transflective negative
R - Reflective positive
S - Reflective negative
T - Transmissive positive
U - Transmissive negative

4.3.6 N.B. a hyphen + a suffix could be added.

In that case, it is recommended to use the following suffixes:

10 - Commercial grade
20 - Extended grade

4.4 Sensor Devices

This type designation code applies to all sensor devices, including special semiconductor
devices and integrated circuits.

A basic type number consists of two letters followed by a serial number

4.4.1 The first letter indicates the type of device. (See Note).
K - Sensor.
Note - Some devices may also be coded as semiconductor devices or as integrated circuits.

4.4.2 The second letter gives information about the use.

A - Acceleration
E - Elongation; strain
F - Flow
G - Gas
H - Humidity
L - Level
M - Magnetic field
P - Pressure
R - Radiation
S - Geometric position
T - Temperature
4.4.3 The serial number may consist of:
- Four digit figure, running from 0001 to 9999, for the standard types.
- One letter (Z, Y, X,....etc) and four digit figure, running from 0001 to 9999, for the
industrial types.
Examples: KH122 Humidity sensor, standard type.
KP240 Pressure sensor, standard type.
KGZ55 Gas sensor, industrial type.
KSY10 Geometric position sensor, industrial type.
KTY42 Temperature sensor, industrial type.
To a basic type number may be added:

4.4.4 version letter(s): for example, indicating the sensitivity range.

22
4.5 Receiving Tubes

The type nomenclature for receiving tubes applies to tubes primarily designed for use in
reproducing and recording equipment such as radio and television receivers, record
players, tape recorders, etc.

The type designation consists of two letters followed by a serial number

4.5.1 The first letter classifies the tubes into series, which can be used in the same type of
apparatus.
E - Tubes with heater voltage 6,3 V for parallel or series connection.
P - Tubes for series connection with heater current 300 mA
4.5.2 The second letter gives information about the function for which the tube is intended.
For multiple tubes i.e. tubes with two or more electrode systems, two or three letters may
be combined.
A - Low power diode
B - Double diode with common cathode (rectifier diode excluded)
C - Triode (excluding power output triodes)
D - Power output triode
E - Tetrode (excluding power output tetrodes)
F - Pentode (excluding power output pentodes)
H - Hexode, heptode (of hexode type)
K - Octode, heptode (of octode type)
L - Power output tetrode/pentode
M - Tuning indicator
Y - Half-wave rectifier diode
Z - Full-wave rectifier diode

4.5.3 The serial number consists of three figures. The first figure gives information on the
type of base.
1 - Miscellaneous base types
2 - Miniature 10-pin base (JEDEC F10-61)
3 - Octal base (I.E.C. 67-1-5a)
5 - Novar/magnoval base (JEDEC E9-75 and E9-23)
8 - Noval base (I.E.C. 67-1-12a)
9 - Miniature 7-pin base (I.E.C. 67-1-10a)
Example:
E L 8 02

E. Heater voltage 6,3 V L. Output pentode 8. Noval base 02. Serial number

4.6 Cathode Ray Tubes

4.6.1 World Wide Code for TV picture and Monitor tubes (4:3 and 16:9 tubes)

The type designation for TV picture tubes for consumer applications and Monitor tubes
shall consist of six symbols of alternating groups of letters and numbers

23
4.6.1.1 The first symbol defines the application category of the tube and shall consist of a
single letter.
a. For TV Picture tubes:
4:3 tube letter A
16:9 tubes letter W
b. For Monitor tubes (direct-view, raster-scan display tubes for applications:
4:3 tubes letter M
16:9 tubes letter S
c. For Projection tubes letter P
d. For Electrostactic deflection letter D

4.6.1.2 The second symbol defines the minimum viewable screen diagonal and shall consist
of a two-digit number or when needed, in case of viewable screen diagonal over
100 cm, may have three digits.
This number shall be determined by the glass panel design-centre value in centimetres
of the minimum viewable screen diagonal. A tube having its screen diagonal within plus
or minus one-half centimetre shall be assigned that integer.

4.6.1.3 The third symbol (family code) defines the tube types having specific mechanical and
electrical characteristics and shall consist of three letters, excluding the letters I and
O. The third symbol is assigned independent of the first symbol.
)
For tube variations that require a new third symbol 7 see Annexes A and B, "Guidelines
for Assigning a New Type Number".
The third symbol is assigned by the type administrator in alphabetical sequence from
)
left to right (AAA, AAB, AAC, ... AZZ, BAA,...BZZ,...ZZZ).8

Once a combination has been assigned to a sponsor for a particular tube type, that
combination shall be reserved for future assignments to the original sponsor. In this
way the same combination will be available to a sponsor so that the family relationship
may be maintained for different sizes. The four categories of tubes covered by this
system - colour TV picture tubes, colour monitor tubes, monochrome TV picture tubes,
and monochrome monitor tubes - shall be assigned third symbols in one continuous
alphabetical sequence. Where the characteristics are identical, the same family code
may be assigned for monitor and TV picture tubes at the option of the sponsor.

4.6.1.4 The fourth symbol (member of family) defines specific tube types within the family
specified by the third symbol. In case of:
th
4:3 tubes the 4 symbol consists of: a two-digit number (from 00 to 99) 9)
or when needed,
a three-digit number (from 000 to 999)
th
16:9 tubes the 4 symbol consists always of:a three-digit number (from 000 to 999)

The fourth symbol is assigned independent of the third symbol.

For tube variations that require a new fourth symbol, see Annexes A and B, "Guidelines
for assigning a new type number".

7) At the option of the sponsor, a new third symbol may be assigned for any tube variation.
8) Series reserved for PRO ELECTRON use: EAA through HZZ
9) Previously, the fourth symbol consisted of a one-digit number from 0 to 9 for monochrome tubes.
Type designations assigned under the previous rule shall remain valid.

24
4.6.1.5 The fifth symbol defines the phosphor category,
For colour TV picture tubes, the phosphor is defined by the letter X or the letters XX.
For colour monitor tubes, the phosphor (usually tricolour) may be defined by:
the letter(s) X, XX or some other two-letter 10) , or
three-letter combination , excluding the letters I and O.
For monochrome TV picture tubes, the phosphor is defined by the letters WW .
For monochrome monitor tubes, the phosphor may be defined by the letters WW or
5
some other two-letter ) or three-letter combination 11), excluding the letters I and O.

Normally one or more of the following must be satisfied for a new phosphor family to
be registered separately from a pre-existing phosphor family:

A. Colour difference greater then 0,02 in X or Y .

B. Persistence falls into a different category (e.g.: long, medium,...).
C. Minor differences in chemical composition such as activator or blend ratios that do
not effect A and B above will be given a third letter suffix with the same two first
letters which generally describe the phosphor. Phosphors currently registered are
presumed to have a third letter "A". These phosphors will serve as reference
phosphors in the development of any new families of related phosphors.

For instance, a phosphor proposed for registration which differs in color by 0,015 in X
or Y and has similar other properties to an existing registered family of phosphor

10) Single-letter colour phosphor assignments were made prior to the adoption of the two-letter code.
Although these single-letter assignments are valid, each one has been assigned a corresponding two-
letter code as follows:
A (DA), B (DB), C (DC), D (XB), E (DD), F (XC), G (DE), X (XX), and Y (XY).
11 .Designation of "Phosphor screens". This Code for phosphor screens is also followed by ECA/EIA-
USA, EIAK-Korea and JEITA-JAPAN, since the World Wide Code for TV and Monitor tubes has been
adopted.
The main characteristics of phosphor screens are indicated by:
One, two or three letters following the serial number
The first letter denotes the colour of the fluorescence (or phosphorescence in the case of long or very
long persistence screens) according to the regions of the Kelly Chart in Fig. 1; the fluorescent colour is
that seen during continuous or pulsating excitation (e.g. raster display) and the phosphorescent colour is
that seen after excitation has ceased.
The second letter (or the 2nd + 3rd letters) denotes other specific differences in screen properties.
For other applications of cathode ray tubes the persistence is a second important characteristic of the
phosphor screen. A long persistence is usually of prime importance in radar applications, since the aerial
sweep is slow, and the picture must be retained for relatively long periods. On the other hand a very
short persistence is required for flying-spot scanners.
A summary of the registered phosphor screens is given in table 4. Differences of the colour in the same
region and/or the time of persistence are indicated by a second letter.
The various levels of persistence are described in table 3:

Table 3 – Description of levels of persistence

Time to decay to 10 % Description

of initial peak value
Less than 1 µs Very short
1 µs to 10 µs Short
10 µs to 1000 µs Medium short
1 ms to 100 ms Medium
100 ms to 1s Long
more than 1s Very long

25
 would be assigned the first two letters of the original phosphor in that family plus a
third letter sequentially assigned which further identifies that particular phosphor.

4.6.1.6 The sixth symbol is only assigned to tubes having integral neck components. It
defines the characteristics of these components and their adjustments.

In case of: 4:3 tubes / 16:9 tubes the sixth symbol consists of:
a two-digit number (from 01 to 99)
or, when needed,
a three-digit number (from 001 to 999)

4.6.1.7 Examples of designations

4.6.1.7.1 Colour TV picture tubes

4:3 tubes A 63 EAA 00 XX 01

(1) A63EAA00XX First colour TV picture tube type assignment in world-wide

system
A TV picture tube (4:3) for consumer receiver applications
63 63 cm minimum viewable screen diagonal measurement
(projected)
EAA First family code
00 First tube in "EAA" family
XX Tricolour phosphors
(2) A63EAA00XX01 Same as (1) above, except with integral yoke neck
components
(4) A63EAA01XX Same family as (1) above except some minor mechanical
and/or electrical differences in tube
(5) A63EAA01XX01 Same as (4) above, except with integral yoke. Can have
same yoke as (2) at option of sponsor
(6) A53EAA00XX Same as (1) above, except different size
(7) A53EAB00XX Different family than any of above assignments

16:9 tubes W 100 EFA 000 XX 001

W TV picture tube (16:9) for consumer receiver applications
100 100 cm minimum viewable screen diagonal measurement
(projected)
EFA First family code
000 First tube in "EFA" family
XX Tricolour phosphors
01 Integral yoke

4.6.1.7.2 Colour monitor Tubes

4:3 tubes M 63 EAA 00 XX 01

(8) M63EAA00XX Same family as (1) above, except for monitor (4:3) service.
(9) M63EAA00DA Same as (8) above, except different tricolour phosphors.
(10) M63EACOOXX Different family than (1) and (8) above.
Colour monitor tubes can also have the same kinds of differences and relationships
as shown in (1) through (7) above.

16:9 tubes S 100 EFB 000 XX 001

S Monitor tube (16:9)
100 100 cm minimum viewable screen diagonal measurement
(projected)
EFB First family code

26
 000 First tube in "EFB" family
XX Tricolour phosphors
001 Integral yoke

4.6.1.7.3 Monochrome TV picture tubes

4:3 tubes A 47 EAD 00 WW 01

(11) A47EAD00WW First monochrome TV picture tube type assignment in

world-wide system
(12) A47EAD00WW01 Same as (11) above except with integral yoke
(13) A47EAD00WW02 Same as (12) above except different yoke and/or other
neck components
(14) A47EAD01WW Same family as (11) above except some minor
mechanical and/or electrical differences in tube
(15) A47EAD01WW01 Same as (14) above except with integral yoke. Can have
same yoke as (12) at option of sponsor
(16) A30EAD00WW Same as (11) above except different size
(17) A30EAE00W Different family than any of above monochrome TV
picture tube type assignments
16:9 tubes W 100 EFB 000 WW 001
W Monochrome TV picture tube (16:9)
100 100 cm minimum viewable screen diagonal measurement
(projected)
EFB First family code
000 First tube in "EFB" family
WW Monochrome phosphor
01 Integral yoke

4.6.1.7.4 Monochrome monitor tubes

4:3 tubes M47 EAD 00 WW 01

(18) M47EAD00WW Same family as (11) above except for monitor service.
(19) M47EAD00GE Same as (18) above except different phosphor.
(20) M47EAF00WW Different family than (11) and (18) above.
Monochrome monitor tubes can also have the same kinds of differences and
relationships as shown in (11) through (17) above.

16:9 tubes S 100 EFB 000 WW 001

S Monochrome Monitor tube (16:9)
100 100 cm minimum viewable screen diagonal measurement
(projected)
EFB First family code
000 First tube in "EFB" family
WW Monochrome phosphor
001 Integral yoke

27
 )
4.6.2 World Wide Code for Oscilloscope tubes 12

The type designation for Oscilloscope tubes shall consist of six symbols of alternating
groups of letters and numbers

4.6.2.1 The first symbol defines the application category of the tube and shall consist of the
single letter D .

4.6.2.2 The second symbol defines the minimum viewable screen diagonal measurement and
shall consist of a two-digit number.

4.6.2.3 The third symbol (family code) defines the tube types having specific mechanical and
electrical characteristics and shall consist of three letters, excluding the letter I and O.
)
For tube variations that require a new third symbol 13 see Annex C the "Guidelines for
assigning a New Type Number".
The third symbol is assigned by the type administrator in alphabetical sequence from
)
left to right (AAA, AAB, AAC,... AZZ, BAA,...BZZ ... ZZZ) 14
Once a combination has been assigned to a sponsor for a particular tube type, that
combination shall be reserved for future assignments to the original sponsor. In this
way the same combination will be available to a sponsor so that the family relationship
may be maintained for different sizes.

4.6.2.4 The fourth symbol (member of family) defines specific tube types within the family
specified by the third symbol. The fourth symbol consists of a three-digit number
from 000 to 999.

4.6.2.5 The fifth symbol defines a phosphor category. The phosphor may be defined by a two-
)
letter or three-letter combination, excluding letters I and O. 15

4.6.2.6 The sixth symbol is only assigned to tubes having accessory(ies) (connection lead,
correction coil(s),...).The sixth symbol consists of a two-digit number from 01 to 99.

4.6.2.7 Examples of designations

(1) D 1 3 E A A 0 0 0 G H First type assignment in PRO ELECTRON in world-
wide system
D Electrostatic deflection type CRT
13 13 cm minimum viewable screen diagonal
measurement
EAA First family code
000 First tube in "E A A" family
GH Green phosphor
(2) D 1 3 E A A 0 0 0 G H 0 1 Same as (1) above, except with accessory(ies)
(3) D 1 3 E A A 0 0 0 G H 0 2 Same as (2) above, except different accessory(ies)
(4) D 1 3 E A A 0 0 1 G H Same family as (1) above, except some minor
mechanical and/or electrical differences in tube
(5) D 1 3 E A A 0 0 1 G H 0 1 Same as (4) above, except with accessory(ies)
Can have same accessory(ies) as (2) at option of
sponsor
(6) D 1 6 E A A 0 0 0 G H Same as (1) above, except different size
(7) D 1 3 E A B 0 0 0 G H Different family than any of above assignments

12) In application since 1 January 1991

13) The Pro Electron Code for Oscilloscope tubes as described in the "blue" P.E. booklet D15 (Ed. 1988)
is still valid for variants of types reserved or registered before 1st January 1991.
14) Series reserved for PRO ELECTRON use: EAA through HZZ .
15) See note 2 of 4.6.1.5
28
4.6.3 Code for CATHODE RAY TUBES others than TV picture tubes, Monitor tubes and
Oscilloscope Tubes.
The type designation code for cathode ray tubes, other than TV picture tubes
(consumer), Monitor tubes and Oscilloscope tubes, consists of a letter followed by two
groups of numbers and one or two letters

4.6.3.1 The first letter indicates the primary application of the tube:
F - Radar display tube
L - Storage display tube
P - Other display tubes for professional applications and projection tubes
Q - Flying spot scanner
R - Recording tube with fibre optic output.

4.6.3.2 The first number indicates the approximate overall diameter or diagonal of the glass
envelope in centimetres.

4.6.3.3 The second number is a serial number consisting of three figures. The number end in a
zero for a basic type. The zero changes into one of the figures 1 to 9 for variants of the
basic type.
Note - Definitions of "Variants", A variant of a basic type is a tube with similar mechanical and electrical
data and similar picture performance.
Variants are not necessarily interchangeable. (This means, that tubes with different electrical or mechanical
data or with a difference in picture performance, must get other basic type numbers).

4.6.3.4 The letter(s) following this number give(s) information about the characteristics of the
phosphor screen
Note - See note 2 of 4.6.1.5.

Example:

F 31 - 130 LH

F- Radar 31 - Overall screen 130 - Serial LH - Violet

Display tube diagonal 31 cm number Orange

4.6.3.5 Suffixes

For Cathode Ray Tubes with integral graticule, the Secretariat of PRO ELECTRON may
allocate a suffix consisting of two or more figures, following the type designation and
separated from it by an oblique stroke.

29
 Fig. 1 - Kelly Chart of colour designation

)
(Ref: The ISCC/NBS 16 method of designating colours and a dictionary of colour names. NBS-
Circular n°553 of Nov. 1955)

The numbers on the periphery of the graph refer to wavelength in nanometers

Note - The borderline between “bluish purple” and “purple” has been introduced by Pro Electron

16) ISCC/NBS = Intersociety colour council of America/National Bureau of Standard.

30
 4.6.4 Survey of the phosphor designations registered until december 1999.

Table 4 – Phosphor designations registered until December 1999

Comparable
Phosphor Colour CIE co-ordinates Persistence ECA/EIA
designations (1) (10%) Designations
before 1982

AAA Purple x=0.199; y=0.016 Very short P 16

BAA Purplish-blue x=0.164; y=0.015 Very short
BBA Purplish-blue x=0.170; y=0.050 Medium-short
BCA Bluish purple x=0.170; y=0.024 Short
BDA Blue x=0.198; y=0.220 Very short
BEA Blue x=0.139; y=0.148 Medium-short P 11
BFA Blue x=0.164; y=0.108 Medium-short
BGA Greenish-blue x=0.200; y=0.245 Medium-short P 35
BHA Purplish-blue x=0.166; y=0.101 Very short P 47
BJA Blue x=0.169; y=0.132 Medium-short P 5
BKA Greenish-blue x=0.143; y=0.208 Very short P 37
BLA Purplish-blue x=0.157; y=0.075 Medium-short P 52
BMA Blue x=0.150; y=0.070 Medium-short P 55
BNA Purplish-blue x=0.143; y=0.045 Short

CAA White x=0.345; y=0.385 Medium

CBA White x=0.353; y=0.374 Medium
CCA White x=0.276; y=0.312 Very long P 40
CDA White x=0.297; y=0.371 Very short
CEA White x=0.330; y=0.370 Medium
CFA White x=0.355; y=0.395 Medium
CGA White x=0.320; y=0.375 Medium
CHA White x=0.350; y=0.375 Medium
CJA White x=0.355; y=0.380 Medium

DAA Reddish-orange x=0.615; y=0.360 Medium

Yellowish-green x=0.300; y=0.600 Medium
White x=0.230; y=0.240 Medium
DBA Reddish-orange x=0.625; y=0.350 Medium P 54
Yellowish-green x=0.280; y=0.610 Medium-short P 54
White x=0.281; y=0.311 Medium-short P 54
DCA Reddish-orange x=0.627; y=0.345 Long
Yellowish-green x=0.210; y=0.699 Long
White x=0.230; y=0.240 Long
DDA Reddish-orange x=0.630; y=0.350 Long
Yellowish-green x=0.220; y=0.670 Medium
White x=0.230; y=0.240 Medium
DEA Reddish-orange x=0.630; y=0.350 Long
Yellowish-green x=0.220; y=0.670 Medium
Blue x=0.152; y=0.128 Medium
DFA Reddish-orange x=0.610; y=0.342 Medium
Yellowish-green x=0.250; y=0.650 Medium
White x=0.230; y=0.240 Medium-short
DGA Yellowish-orange x=0.610; y=0.355 Medium
Yellowish-green x=0.260; y=0.645 Medium
White x=0.230; y=0.240 Medium

Notes: see at the end of this table

31
 Table 4 - Phosphor designations registered until December 1999 (Contd.)

Comparable
Phosphor Colour CIE co-ordinates Persistence ECA/EIA
designations (1) (10%) Designations
before 1982

DHA Reddish-orange x=0.625; y=0.350 Medium

Yellowish-green x=0.210; y=0.700 Long
White x=0.230; y=0.240 Medium
DJA Reddish-orange x=0.615; y=0.360 Medium
Yellowish-green x=0.250; y=0.655 Medium
White x=0.230; y=0.240 Medium
DKA Reddish-orange x=0.625; y=0.350 Medium
Yellowish-green x=0.250; y=0.645 Medium
White x=0.230; y=0.240 Medium
DLA Reddish-orange x=0.615; y=0.350 Medium
Yellowish-green x=0.250; y=0.650 Medium
White x=0.230; y=0.240 Medium
DMA Reddish-orange x=0.615; y=0.350 Medium
Yellowish-green x=0.290; y=0.600 Medium
White x=0.230; y=0.240 Medium
DMB Reddish-orange x=0.625, y=0.340 Medium
Yellowish-green x=0.310; y=0.592 Medium-short
White x=0.225; y=0.235 Medium-short
DNA Reddish-orange x=0.615; y=0.355 Medium
Yellowish-green x=0.205; y=0.700 Long
White x=0.235; y=0.255 Medium-short
DPA Reddish-orange x=0.615; y=0.350 Medium-short
Yellowish-green x=0.217; y=0.690 Medium
White x=0.230; y=0.240 Medium
DRA Reddish-orange x=0.620; y=0.345 Medium
Yellowish-green x=0.220; y=0.690 Medium
White x=0.230; y=0.240 Medium

GBA Yellowish-green x=0.340; y=0.515 Long P 32

GEA Green x=0.245; y=0.441 Short P 24
GFA Green x=0.240; y=0.520 Long
GGA Green x=0.246; y=0.439 Short P 15
GHA Green (5) x=0.226; y=0.528 Medium-short P 31
GJA Yellowish-green x=0.218; y=0.712 Medium P 1
GKA Yellowish-green x=0.218; y=0.712 Medium
GLA Yellowish-green x=0.279; y=0.534 Medium-short P 2
GMA Purplish-blue x=0.151; y=0.032 Medium-short P 7
Yellowish-green x=0.357; y=0.537 Long
GNA Greenish-blue (2) x=0.167; y=0.223 Medium-short
Green x=0.239; y=0.434 Medium-short
GPA Bluish-green (4) x=0.180; y=0.365 Medium-short
Green x=0.190; y=0.430 Medium-short
GQA Yellowish-green x=0.265; y=0.550 Medium-short
GRA Yellowish-green x=0.223; y=0.698 Long P 39
GSA Yellowish-green x=0.320; y=0.530 Very short
GTA Bluish-green x=0.190; y=0.370 Very short
GUA White x=0.297; y=0.371 Very short
GVA Yellowish-green x=0.280; y=0.530 Very long
GWA Yellowish-green x=0.238; y=0.568 Medium P 42

Notes: see at the end of this table

32
 Table 4 Phosphor designations registered until December 1999 (Contd.)

Comparable
Phosphor Colour CIE co-ordinates Persistence ECA/EIA
designations (1) (10%) Designations
before 1982

GXA Yellowish-green x=0.300; y=0.596 Medium P 44

GYA Yellowish-green x=0.333; y=0.556 Medium P 43
GZA (11) Yellowish-green x=0.223; y=0.698 Long
(6)

HAA Yellowish-green x=0.220; y=0.660 Medium

HBA Yellowish-green x=0.215; y=0.650 Medium
HCA Yellowish-green x=0.210; y=0.705 Long
HDA Yellowish-green x=0.330; y=0.620 Medium
HEA Green x=0.323; y=0.628 Short
HFA Yellowish-green x=0.335; y=0.573 Medium-short
HGA Yellowish-green x=0.341; y=0.586 Medium
HHA Yellowish-green x=0.334; y=0.581 Medium
HJA Yellowish-green x=0.240; y=0.700 Medium

KAA Yellow-green x=0.426; y=0.546 Medium-short to P 20

Medium
KBA Yellow-green x=0.380; y=0.520 Very Long
KCA Yellow-green x=0.426; y=0.559 Medium-short
KDA (11) Yellow-green x=0.425; y=0.550 Medium-short
KEA Yellow-green x=0.370; y=0.540 Long P 28
KFA Yellow-green x=0.400; y=0.543 Very short P 36
KGA Yellow-green x=0.365; y=0.595 Very short P 46
KHA Yellow-green x=0.365; y=0.474 Very short P 48
KJA Yellow-green x=0.368; y=0.539 Medium P 53
KKA Yellowish-green x=0.315; y=0.605 Medium
KLA Greenish-yellow x=0.430; y=0.520 Medium
KMA Yellow-green x=0.433; y=0.536 Medium
KNA Yellow-green x=0.437; y=0.529 Medium

LAA Orange x=0.557; y=0.442 Medium

LBA Orange x=0.557; y=0.442 Long P 12
LCA Orange x=0.573; y=0.426 Very long P 26 (7)
LDA Orange x=0.559; y=0.440 Very long (8) P 33
LEA Orange x=0.530; y=0.420 Very long
LFA Orange x=0.572; y=0.422 Long P 19
LGA Orange x=0.559; y=0.440 Very long (9)
LHA Orange x=0.559; y=0.440 Very long
LJA Orange x=0.569; y=0.429 Medium P 25
LKA Orange x=0.591; y=0.407 Very long P 38
LLA Yellowish-green x=0.218; y=0.712 Medium P 57
Orange x=0.573; y=0.426 Very long P 57
LMA Orange x=0.547; y=0.446 Medium-short
LNA Orange x=0.535; y=0.433 Medium-short
LPA Orange x=0.545; y=0.435 Long
LQA Orange x=0.550; y=0.445 Medium
LRA Orange x=0.535; y=0.435 Medium
LSA Orange x=0.550; y=0.418 Medium-short

Notes: See at the end of this table

33
 Table 4 - Phosphor designations registered until December 1999 (Contd.)

Comparable
Phosphor Colour CIE co-ordinates Persistence ECA/EIA
designations (1) (10%) Designations
before 1982

RAA Reddish-orange x=0.665; y=0.335 Medium

RBA Reddish-orange x=0.630; y=0.365 Medium
RCA Reddish-orange x=0.670; y=0.329 Medium P 13
RDA Reddish-orange x=0.539; y=0.373 Long P 21
REA Reddish-orange x=0.674; y=0.326 Medium P 27
RFA Reddish-orange x=0.640; y=0.335 Medium P 56
RHA Pink x=0.540; y=0.335 Medium
RJA Reddish-orange x=0.624; y=0.349 Medium-Short P 22R

SAA Yellowish-green x=0.279; y=0.534 Medium-short P 29

Orange x=0.569; y=0.429 Medium P 29
SBA Greenish-yellow x=0.420; y=0.490 Medium
Yellowish-green x=0.320; y=0.515 Medium
Reddish-orange x=0.630; y=0.350 Medium-short
SCA Yellowish-green x=0.173; y=0.660 Medium-short
SDA Yellowish-green x=0.330; y=0.521 Medium
SEA Yellow-green x=0.418; y=0.496 Medium
SFA Yellow-green x=0.396; y=0.511 Medium
SGA Yellow-green x=0.391; y=0.515 Medium-short

V (10) Voltage or current dependent multicolour screens

VAA Reddish-orange x=0.672; y=0.327 Medium P 49
Yellowish-green x=0.315; y=0.615 Medium P 49
VBA Reddish-orange x=0.655; y=0.340 Medium P 50
Yellow-green x=0.398; y=0.546 Medium-short P 50
VCA Reddish-orange x=0.675; y=0.325 Medium P 51
Yellow-green x=0.414; y=0.514 Medium-short P 51
VDA Reddish-orange x=0.591; y=0.380 Medium
Yellow-green x=0.344; y=0.465 Medium
Bluish-green x=0.230; y=0.361 Medium
VEA Reddish-orange x=0.604; y=0.360 Medium
Yellow-green x=0.355; y=0.510 Very Long

W White x=0.265; y=0.285 Medium-short

WAA White x=0.313; y=0.329 Medium
WAB White x=0.303; y=0.337 Medium
WBA White x=0.253; y=0.312 Medium P 45
WCA (11) White x=0.265; y=0.285 Medium-short
WDA White x=0.355; y=0.395 Medium
WEA (12) White x=0.265; y=0.285 Medium-short
WEB White x=0.275; y=0.300 Medium
WFA Yellow x=0.302; y=0.390 short P 17
WGA White x=0.364; y=0.377 Medium-short P 23
WHA White x=0.253; y=0.305 Long
WJA White x=0.310; y=0.355 Medium-short
WKA (13 White x=0.310; y=0.355 Medium
WLA (14) White x=0.310; y=0.355 Medium
WMA (14) White x=0.280; y=0.310 Medium

Notes: see at the end of this table

34
 Table 4 - Phosphor designations registered until December 1999 (Contd.)

Comparable
Phosphor Colour CIE co-ordinates Persistence ECA/EIA
designations (1) (10%) Designations
before 1982

WNA (16) White x=0.280; y=0.310 Medium

WPA (17) White x=0.280; y=0.310 Medium
WQA White x=0.360; y=0.392 Medium-short
WRA White x=0.355; y=0.395 Medium-short
WRB White x=0.340; y=0.380 Medium-short
WSA White x=0.285; y=0.320 Medium-short
WTA White x=0.340; y=0.380 Medium
WUA White x=0.310; y=0.355 Long
WVA White x=0.360; y=0.392 Medium
WWA White x=0.265; y=0.285 Medium-short P 23
WXA White x=0.310; y=0.355 Long
WYA White x=0.360; y=0.392 Long
WZA White x=0.360; y=0.392 Medium

X (18) Tri-colour screen for colour TV and data display tube P 22 P 58

or XX
XXA Purplish-blue x=0.146; y=0.052 P 22
Yellowish-green x=0.218; y=0.712 P 22
Reddish-orange x=0.674; y=0.326 P 22
XXB Purplish-blue x=0.155; y=0.060 P 22
yellowish-green x=0.285; y=0.600 P 22
Reddish-blue x=0.663; y=0.337 P 22
XXC Purplish-blue x=0.157; y=0.047 Medium-short P 22
Yellowish-green x=0.260; y=0.600 Medium-short P 22
Reddish-orange x=0.650; y=0.325 Medium-short P 22
XXD Purplish-blue x=0.150; y=0.068 Medium-short P 22
Yellowish-green x=0.300; y=0.600 Medium-short P 22
Reddish-orange x=0.628; y=0.337 Medium-short P 22
XXE Purplish-blue x=0.150; y=0.070 Medium-short P 22
Yellowish-green x=0.330; y=0.590 Medium-short P 22
Reddish-orange x=0.640; y=0.335 Medium-short P 22
XXF Purplish-blue x=0.155; y=0.067 Medium-short P 22
Yellowish-green x=0.343; y=0.591 Medium-short P 22
Reddish-orange x=0.623; y=0.342 Medium-short P 22
XXG Purplish-blue x=0.149; y=0.070 Medium-short P 22
Yellowish-green x=0.297; y=0.597 Medium-short P 22
Reddish-orange x=0.630; y=0.345 Medium-short P 22
XBA Purplish-blue x=0.151; y=0.064 Medium
Yellowish-green x=0.220; y=0.670 Medium
Reddish-orange x=0.630; y=0.350 Long
XCA Purplish-blue x=0.151; y=0.064 Medium-short
Yellowish-green x=0.230; y=0.650 Medium
Reddish-orange x=0.610; y=0.342 Medium
XDA Purplish-blue x=0.151; y=0.067 Medium-short
Yellowish-green x=0.255; y=0.628 Medium
Reddish-orange x=0.615; y=0.345 Medium
XEA Purplish-blue x=0.152; y=0.062 Medium
Yellowish-green x=0.250; y=0.640 Medium
Reddish-orange x=0.620; y=0.345 Medium

Notes: see at the end of this table

35
 Table 4 - Phosphor designations registered until December 1999 (Contd.)

Comparable
Phosphor Colour CIE co-ordinates Persistence ECA/EIA
designations (1) (10%) Designations
before 1982

XFA Purplish-blue x=0.152; y=0.063 Medium

Yellowish-green x=0.250; y=0.640 Medium
Reddish-orange x=0.615; y=0.350 Medium
XGA Purplish-blue x=0.150; y=0.060 Medium
Yellowish-green x=0.279; y=0.610 Medium
Reddish-orange x=0.634; y=0.338 Medium
XHA Purplish-blue x=0.151; y=0.062 Medium
Yellowish-green x=0.240; y=0.640 Medium
Reddish-orange x=0.613; y=0.340 Medium
XJA Purplish-blue x=0.150; y=0.060 Medium
Yellowish-green x=0.203; y=0.680 Medium
Reddish-orange x=0.623; y=0.344 Medium
XKA Purplish-blue x=0.150; y=0.060 Medium
Yellowish-green x=0.210; y=0.675 Long
Reddish-orange x=0.620; y=0.330 Long
XLA Purplish x=0.155; y=0.070 )Medium-short
Green x=0.310; y=0.595 ) to
Red x=0.630; y=0.340 )Medium
XMA Purplish-blue x=0.150; y=0.060 Medium
Yellowish-green x=0.292; y=0.618 Medium
Reddish-orange x=0.625; y=0.340 Long
XNA Purplish-blue x=0.152; y=0.063 Medium
Yellowish-green x=0.223; y=0.683 Medium
Reddish-orange x=0.624; y=0.339 Medium
XPA Purplish-blue x=0.150; y=0.060 Medium
Yellowish-green x=0.248; y=0.653 Medium
Reddish-orange x=0.625; y=0.335 Medium
XQA Purplish-blue x=0.152; y=0.063 Medium
Yellowish-green x=0.304; y=0.595 Medium
Red x=0.606; y=0.325 Medium
XYA Purplish-blue x=0.149; y=0.070 Medium
Yellowish-green x=0.210; y=0.699 Long
Reddish-orange x=0.627; y=0.345 Long

YAA Orange-yellow x=0.540; y=0.460 Medium

YBA Orange-yellow x=0.523; y=0.469 Medium P 3
YCA Blue x=0.150; y=0.093 Medium-short P 14
P 14
Orange x=0.504; y=0.443 Medium
P 41
YDA Orange-yellow x=0.541; y=0.456 Medium-short
YEA Orange-yellow x=0.540; y=0.450 Medium
YFA Yellow x=0.461; y=0.480 Medium-short
YGA Greenish-yellow x=0.430; y=0.520 Medium
YHA Yellow x=0.465; y=0.475 Medium
YJA Greenish-yellow x=0.430; y=0.520 Medium
YKA (20) Greenish-yellow x=0.445, y=0.515 Medium
YLA (21) Greenish-yellow x=0.465; y=0.515 Medium
YMA (22) Greenish-yellow x=0.455; y=0.515 Medium

ZAA Dark trace screen (KCI) normally white (19) P 10

ZBA Yellowish-green X=0.235; Y=0.364 Very long P 34

36
Notes to table 4:
1 CIE = Commission Internationale de l'Eclairage.
2 1st layer.
3 2nd layer.
4 High brightness.
5 Low brightness.
6 If "G" runs out, "H" will be used for the green region.
7 Approximate.
8 Persistence 10s.
9 Persistence 5s.
10 The designation V should always be associated with another letter which defines the specific characteristics.
11 In dark body configuration for better contrast performance.
12 Rare earth; high burning resistive.
13 Composition Phosphor: ZnS:Ag, (ZnCd)S:CuAL.
14 Composition Phosphor: ZnS:Ag, (ZnCd)S:CuAL, Zn2Si04:MnAs.
15 Composition Phosphor: ZnS:Ag, Zn2SiO4:MnAs, Zn3(P04)2:Mn.
16 Composition Phosphor: ZnS:Ag, Zn2SiO4:MnAs, (ZnCd)S:Cu,Al,Ga.
17 Composition Phosphor: ZnS:Ag, Zn2SiO4:MnAs, Zn3(P04)2:Mn, (ZnCd)S:Cu,Al.
18 Tri-colour screens with different characteristics, except voltage/current dependent ones, will be indicated by
other single-letter codes, excluding the letters I, 0 and W. (See 4.6.1.1, fifth symbol: colour monitor tubes).
19 Used for traffic control radar.
20 Composition Phosphor: Zn2SiO4:Mn, Zn3(P04)2:Mn
21 Composition Phosphor: InB03:Tb, InB03:Eu
22 Composition Phosphor: Cd5CL(P04)3:Mn, Zn2Si04:Mn,As

General Notes:
a. Each phosphor designation refers to a Relative Spectral Energy Distribution Curve, held by each of the three type
administration agencies.
b. A few phosphors have designations which do not correspond exactly with the present Kelly Chart; these were
allocated using the former Kelly Chart and cannot be changed.

37
4.7 Professional Tubes

The type designation code for professional electronic tubes applies to tubes designed for
use in transmitting-, navigational-, or communications equipment, or for industrial
applications.
The type designation consists of two letters followed by a serial number

4.7.1 The first letter classifies the tubes into the following groups:
X - High vacuum electro-optical devices
Y - High vacuum transmitting and microwave tubes
Z - Gas filled tubes
4.7.2 The second letter indicates the function or the operation of the tube:
XM - Character generating cathode ray tube
XP - Photomultiplier tube
XQ - Camera tube
XR - Monoscope
XS - Cathode ray charge storage tube signal/signal
XT - Memory display tube
XV - Infrared detector
XW - Infrared imaging device
XX - Image converter, image intensifier

YA - Diode
YD - Transmitting or industrial triode
YG - Electrometer tube, vacuum gauge
YH - Travelling wave tube
YJ - Magnetron
YK - Klystron
YL - Transmitting or industrial tetrode or pentode
YN - Backward wave oscillator
YP - Electron multiplier
YR - Crossed field amplifier
YT - Pulse modulator tube
YY - High vacuum rectifier

ZA - Cold cathode indicator tube

ZB - Microwave switching tube (T, ATR cells, etc.)
ZC - Trigger tube
ZD - Surge arrester
ZE - Glow modulator tube
ZF - Flash tube
ZL - Gas Laser
ZM - Cold cathode character display tube; counter display tube
ZP - Geiger-Müller counter tube; proportional counter tube
ZQ - Mixed analogue and digital display
ZR - Plasma display panel
ZS - Bar graph
ZT - Thyratron
ZX - Ignitron
ZY - Gas filled rectifier
ZZ - Voltage reference, voltage regulator or corona discharge tube
4.7.3 The serial number consists of four figures.

The serial number for a basic type ends in zero.

The zero changes into one of the figures 1 to 9 for versions of the basic type.

38
4.7.4 For Camera tubes the following may be added to the basic number:

4.7.4.1 A version letter with the following significance:

B - Blue
G - Green
L - Luminance
R - Red
T - Reticule
X - Medical X-ray
Examples: XQ1020B; XQ1025L

4.7.4.2 A suffix for variants derived by selection.

D - High resolution
M- Blemish standard
Notes:
1 - All other camera tubes with special characteristics differing from the basic type in length, diameter,
focusing method, deflection method, mesh, heater wattage, photocathode layer, ruggedized, coaxial,
fibre optic faceplate, radiation stabilized faceplate and slow scan, must be allocated a new type
number.
2 - Version letter and Suffix will not be separated by a hyphen.

4.8 Miscellaneous products

4.8.1 Silicon monolytic microphone

A silicon monolytic microphone is a sound pressure transducer, which is manufactured

on silicon, by means of a combination of silicon micromachining technologies and
standard semiconductor technologies

A basic type number consists of three letters followed by a serial number

4.8.1.1 The first letter gives the information about the material

S - Silicon

4.8.1.2 The second and third letter indicate the function

MM - Monolytic microphone

4.8.1.3 The serial number is a combination of one letter (D or I) and a three digit number,
running from 001 to 999, assigned by Pro Electron.
D - Discrete model without signal conditioning
I - Integrated model without signal conditioning

39
4.9 Codification and registration system for EEPROMs for chip cards of the
synchronous type according to ISO/IEC 7816-10

The following procedures are used in accordance with those agreed by the Pro Electron
Working Group EEPROM on this subject.

The code consists of two bytes H1 and H2 as follows:

H1 H2

B8 B7 B6 B5 B4 B3 B2 B1 B8 B7 B6 B5 B4 B3 B2 B1

where:

Byte H1-bit B1 is 1
The remaining 15 bits in H1 and H2 represent information on the chip type and
application, and are owned by the chip manufacturer.

In addition the following conditions and/or procedures apply:

4.9.1 Codification and registration for memory cards at present is limited to synchronous
cards.

4.9.2 Codification and registration by Pro Electron will only be undertaken for members of Pro
Electron.

4.9.3 The application for a code to be registered has to be made by the chip manufacturer to
Pro Electron. The chip manufacturer consequently will include the code provided and
registered by Pro Electron into the EEPROM. Because of the non-transparent nature of
the code, application terminals need to read and check all 16 bits.

4.9.4 It is strongly recommended that only the basic chip type should be registered for an
application.

4.9.5 Each chip manufacturer can only apply for a maximum of 200 codes. (Combination of H1
and H2) -due to the limited coding possibilities in the available 16 bites.

4.9.6 Once per year the members will be asked by PE for confirmation of the usage of their
registered codes.

4.9.7 For future registration, the existing list for H1 and H2 as provided by the Working Group-
Doc.EEPROM 38, will be taken into consideration.

4.9.8 According to ISO/IEC 7816 the byte transmission order is H1, H2, H3, etc. The bit
transmission order per byte is from B1 (least significant bit) to B8 (most significant bit).

4.9.9 Any deviation from the above rules need to be agreed upon by the PE Working Group
EEPROM.

____________________

40
 Annex A

Guidelines for assigning a new type number

(family code and / or member of family)
to colour TV picture tubes and monitor tubes

A.1 General
All applicable items in the first column of the format are required for registration. Where agency
designations have not been established, defining data must be supplied. Complete items in
Section VIII only if product is integral tube/yoke and neck component combination. All values are
nominal unless otherwise specified.

REQUIRED FOR REGISTRATION GUIDLINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be
assigned at the option of the
sponsor)

1. Description and General Data

A. Viewable Screen Diagonal Any change requires a new 2nd

Symbol
B. Diagonal Deflection Angle Any change

C. Electron Gun
1. Configuration (delta or in-line) Any change
2. Type of focus (unipotential) bipotential, Any change
tripotential, etc)
Any change in excess of 1.0 mm
D. Neck Diameter
Any change
E. Screen Structure (dot, line, etc)

F. TV-Line System (525, 625, etc) Any change

G. Deflection Yoke Design, nonintegral (yoke Any change affecting tube

manufacturer's model number) interchangeability

H. Integral (internal or external) Magnetic Any change

shield (yes or no)

II. Optical Data

A. Light Transmittance of Panel Any change in excess of ± 4

units of percentage
B. Anti-reflection (yes or no) Any change
Any change
C. Phosphor Sequence or Orientation

D. Dark Surround or Matrix (yes or no) Any change

E Selectively Filtered or Pigmented Any change

Phosphor (Yes or no)

41
 REQUIRED FOR REGISTRATION GUIDLINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be
assigned at the option of the
sponsor)

III. Mechanical Data

A. Tube Dimensions
1. Overall length Any change in excess of 6,5 mm
2. Neck length (YRL to end of base) Any change in excess of 3,2 mm

B. Minimum Useful Screen, projected:

EIA 527
EIAJ ED-2136A
1. Diagonal axis Any change in excess of 3,0 mm
2. Horizontal axis Any change in excess of 3,0 mm
3. Vertical axis Any change in excess of 3,0 mm
4. Area Not for use by Type Administrator

C. Bulb Nomenclature
1. Funnel (agency designation) Any change in equivalent
2. Panel (agency designation) agency number if not
interchangeable
3. Anode contact (agency designation) Any change in equivalent
agency number

D. Base and Pin Connections Any change in equivalent agency

(agency designation) number

E. Pin Position Alignment Any change

(Base pin which most nearly aligns with
anode bulb contact)

F. Anode Location Any change

(Clock position, viewed from base)

G. External Conductive Coating-to-Anode Any change in excess of 10%

Capacitance, including implosion outside listed range
protection hardware

H. Dimensional Details (see Tube Outline) Any change if not

interchangeable

42
 REQUIRED FOR REGISTRATION GUIDELINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be assigned
at the option of the sponsor)

IV. Implosion Protection

A. Implosion Protection may be listed as Any change in listed items,

one of the following: except an alternate implosion
1. None protection system may be specified
2. Tension band(s) if it is mechanically interchangeable
3. Filled rim without a change of symbol
4. Rimband (s) and tension band (s)
5. Bonded sheet
6. Other (specify)

B. Greatest Tube Face Axes Dimensions Any change in excess of

including implosion protection 6,0 mm
hardware and excluding mounting
lugs, if any
1. Diagonal
2. Horizontal
3. Vertical

C. Integral Mounting System (yes or no) Any change in excess of

1 Mounting hole centre-to-centre 3,0 mm
dimensions (horizontal x vertical)
2 Panel reference Z point to front of lug Any change in excess of 1,5 mm for
dimension (Z points are normally at non push-through types and 3,0 mm
the ends of the minimum screen for push-through types
diagonals, if not, specify x and y
coordinates)
3 Hole dimensions (minimum) Any decrease in excess of 1,5 mm

V. X-Radiation Characteristics

Per latest Issue of Any change in the rated

EIA Publication TEP-94, EIA Standards RS-501 X-radiation characteristics of the
and RS-503 or IEC Publication 65, or EIAJ tube.
Standards ED-2112 (ET-1012), ED 2114 (ET-
1014) and ED 2115 (ET-1015)

VI Typical Design Values

Unless otherwise specified, values are for each

gun, and voltage values are positive with
respect to (cathode or grid n°1)

A. Heater Voltage Any change in excess of 5%

B. Heater Current Any change in excess of 15%

43
 REQUIRED FOR REGISTRATION GUIDELINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be assigned
at the option of the sponsor)

VI Typical Design Values (continued)

C. Anode Voltage
17)
1. Absolute-maximum value Any decrease in excess of 10% Any increase in excess of 10%
2. Typical value Any change in excess of 2kV

D. Grid n°........(focussing electrode) Any change in excess of 4 units of

Voltage in percent of typical anode percentage
voltage

E. Grid n°........(other high-voltage grids) Any change in excess of 4

Voltage in percent of typical anode units of percentage
voltage

F. Control Voltages for Visual Cutoff of

Focused Spot at Typical Anode voltage
1. Grid n°2 voltage at grid n°1 voltage of Any change in excess of 20% Any change in excess of 20% inside
-100, -150 and -200 V (or Cathode outside listed range listed range
voltage of 100, 150 and 200V)

G. Maximum Ratio of Grid n°2 Voltages, Any increase in excess of 5%

highest gun to lowest gun for spot cutoff
at grid n° 1 of -100V or
Maximum Ratio of Cathode Cutoff Any increase in excess of 5%
Voltages, highest gun to lowest gun (with
grid n° 2 of gun having highest cathode
voltage adjusted to give 150V spot cutoff)

H. Ratio of Cathode Currents to Produce a Any change in excess of 25 %

White Light Output having CIE outside listed range
Coordinates of x = 0.313, y = 0.329 (or x
= 0.281, y = 0.311)
Dimensional Details (see Tube Outline)

VII Drawings

A. Tube Outline with Essential Dimensions,

Tolerances and Pin Connections

17 JEITA will assign for change of 1.0 kV

44
 New Sixth Symbol
required

VIII Integral Tube/Neck Component

Combinations

A. Deflection Yoke Specifications Any change affecting

interchangeability 18)
B. Other Neck Components Any change affecting
interchangeability
C. Drawings
1.Assembly outline must meet same Any increase in clearance dimensions
requirements as listed in item III and IV in excess of 15 mm
with the addition of clearance
dimensions for the integral neck
components.

2.Yoke connector designation or Any change

manufacturer’s number

3.Pin connections to yoke connector Any change

with signal polarity indicated

4.Minimum head length, if any, for yoke

connection (show location on outline) Any decrease in excess of 10%

______________________

18 Any change in adjustment required for tube to operate in a different geographical location also requires a new sixth
symbol
45
 Annex B

Guidelines for assigning a new type number

(family code and / or member of family)
to monochrome TV picture tubes and monitor tubes

B.1 GENERAL
All applicable items in the first column of the format are required for registration.
Where agency designations have not been established, defining data must be supplied.
All values are nominal unless otherwise specified.

REQUIRED FOR REGISTRATION GUIDELINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be
assigned at the option of the
sponsor)

I. Description and General Data

A. Viewable Screen Diagonal Any change requires a new 2nd

Symbol
B. Diagonal Deflection Angle Any change

C. Type of Focus (unipotential, bipotential,

tripotential, or other) Any change

D. Neck Diameter Any change in excess of 2.0 mm

E. Deflection Yoke Design, nonintegral Any change affecting tube

(yoke manufacturer’s model number) interchangeability

II. Optical Data

A. Light Transmittance of Panel Any change in excess of

+/- 4 units of percentage

B. Anti-reflection (yes or no) Any change

III. Mechanical Data

A. Tube Dimensions
1. Overall length Any change in excess of 15 mm
2. Neck length (YRL to end of base) Any change in excess of 10 mm

B. Minimum Useful Screen, projected

1. Diagonal axis Any change in excess of 3.0 mm
2. Horizontal axis Any change in excess of 3.0 mm
3. Vertical axis Any change in excess of 3.0 mm
4. Area Not for use by Type Administrator

46
 REQUIRED FOR REGISTRATION GUIDELINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be
assigned at the option of the
sponsor)

III. Mechanical Data (continued)

C. Bulb Nomenclature Any change in equivalent agency

1. Bulb (agency designation) number if not interchangeable

2. Anode contact (agency designation) Any change in equivalent

agency number

D. Base and Pin Connections (agency Any change in equivalent

designation) agency number

E. Pin Position Alignment Any change

(Base pin which most nearly aligns with
anode bulb contact)

F. Anode Location Any change

(Clock position, viewed from base)

G. External Conductive Coating-to-Anode Any change in excess of 10%

Capacitance, including implosion outside listed range
protection hardware

H. Dimensional Details (see Tube Outline) Any change if not interchangeable

IV Implosion Protection

A. Implosion Protection may be listed as one Any change in listed items, except
of the following an alternation implosion protection
1. None system may be specified if it is
2. Tension band (s) mechnically interchangeable
3. Filled rim without a change of symbol
4. Rimband (s) and tension band (s)
5. Bonded sheet
6. Other (specify)

B. Greatest Tube Face Axes Dimensions Any change in excess of 6.0 mm

including implosion protection hardware
and excluding mounting lugs, if any
1. Diagonal
2. Horizontal
3. Vertical

47
 REQUIRED FOR REGISTRATION GUIDELINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be
assigned at the option of the
sponsor)

IV. Implosion Protection (continued)

C. Integral Mounting System (yes or no) Any change in excess of 3.0 mm

1. Mounting hole centre-to-centre
dimensions (horizontal x vertical)
2. Panel reference Z point to front of lug Any change in excess of
dimension (Z points are normally at the 1.5 mm for non push-through types
ends of the minimum screen diagonals, and 3.0 mm for push-through types
if not, specify x and y coordinates)

3. Hole dimensions (minimum) Any decrease in excess of

1.5 mm

V. X.-Radiation Characteristics

Per latest Issue of Any change in the rated X-radiation

EIA Publication TEP-94, EIA Standards RS-501 characteristics of the tube
and RS-503 or IEC Publication 65, or
EIAJ Standards ED-2112 (ET-1012), ED-2114
(ET-1014) ED-2115 (ET-1015) and ED-2116
(ET-1016)

VI. Typical Design Values

Unless otherwise specified, voltage values are

positive with respect to (cathode or grid n° 1)

A. Heater Voltage Any change in excess of 5%

B. Heater Current Any change in excess of 15 %

C. Anode Voltage
1. Absolute-maximum value Any decrease in excess of 10 % Any increase in excess of 10%
2. Typical value Any change in excess of 2KV

D. Grid n°.........(focussing electrode) Any change in excess of 25 %

Voltage

E. (Grid n°......or Cathode) Voltage for Visual Any change in excess of 20% Any change in excess of 20%
Cutoff of (Focused Spot or Raster) at outside listed range inside listed range
Typical Anode Voltage and Grid n° 2
Voltage and Grid n° 2 Voltage of .....V

VII. Drawings

A. Tube Outline with Essential Dimensions,

Tolerances and Pin Connections

____________________

48
 Annex C

Guidelines for assigning a new type number

(family code and / or member of family)
to electrostatic deflection type cathode ray tubes

C.1 General
All applicable items in the first column of the format are required for registration. Where agency
designations have not been established, defining data must be supplied. All valves are nominal
unless otherwise specified.

REQUIRED FOR REGISTRATION GUIDELINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be
assigned at the option of the
sponsor)

I. Description and General Data

A. Viewable Screen Diagonal Any change requires a new 2nd

Symbol
B. Acceleration Method
(Mono acceleration, post deflection
acceleration, etc.) Any change

C. Type Y-Deflection
Segmented Plates System (yes or no) Any change
or Delay-line System (yes or no) Any change

D. Deflection Magnifying (yes or no) Any change

E. Type of Focus (unipotential bipotential,

tripotential, etc.) Any change

F. Side Pin Connector (yes or no) Any change

G. Neck Diameter Any change in excess of 2.0 mm

H. Internal Graticule (yes or no) Any change

I. Internal Graticule Details

(See Graticule Outline) Any change

II. Optical Data

A. Light Transmittance of Panel Any change in excess of 8 mm

percentage
B. Antireflection (yes or no) Any chage

49
 REQUIRED FOR REGISTRATION GUIDELINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be
assigned at the option of the
sponsor)

III. Mechanical Data

A. Tube Dimensions
Overall length Any change in excess of 15 mm
2. Distance from tube face to side pin Any change in excess of 8 mm

B. Minimum Useful Screen

1. Diagonal axis Any change in excess of 3.0mm
2. Long axis Any change in excess of 3.0mm
3. Short axis Any change in excess of 3.0mm

C. Bulb Nomenclature
1. Bulb Any change in equivalent agency
(Agency designation) number if not interchangeable

2. Third Anode contact Any change in equivalent

(Agency designation) agency number

D. Base and Pin Connections Any change in equivalent

(Agency designation) agency number

E. Pin Position Alignment Any change

(base pin which most nearly aligns with
anode bulb contact)

F. Third Anode Location Any change

(clock position, viewed from base)

G. External Conductive Coating-to-Third Any change

Anode Capacitance

H. Dimensional Details (see Tube Outline) Any change if not

interchangeable

IV. Typical Design Value

Unless otherwise specified, voltage values are

positive with respect to cathode

A. Heater Voltage Any change in excess of 5%

(between heater terminals)

B. Heater Current Any change in excess of 15%

C. Third anode Voltage

1. Absolute-maximum value Any decrease in excess of 10% Any increase in excess of 10%
2. Typical value

50
 REQUIRED FOR REGISTRATION GUIDELINES FOR TYPE ADMINISTRATOR

THIRD SYMBOL FOURTH SYMBOL

(New family) (New Member of Existing)
New Assignment Required New Assignment Recommended
(A new 3rd Symbol may be
assigned at the option of the
sponsor)

IV. Typical Design Value (continued)

D. Second Anode Voltage Any change in excess of 0,5 KV

E. First Anode (focusing electrode) Voltage Any change in excess of 100 V

of mean value
F. Grid N°2 Voltage Any change in excess of 0.5 KV

G. Grid n°1 Voltage for Visual Cut-off of Any change in excess of 20 % outside Any change in excess of 20 %
Focused Spot at Typical Third and Second listed range inside listed range
Anode Voltage and Grid n° 2 Voltage

H. Deflection Factors Any change in excess of 20% Any change in excess of

1. X-axis in mean value 10 % of mean value
2. Y-axis

I. Minimum Useful Scan Area Any change in excess of 3 mm

1. X-axis
2. Y-axis

J. Another Electrode Voltage if provided

V. Geometrical Correction

A. Astigmatics Correction Voltage Any change in excess of 30%

(with respect to second anode voltage) outside or inside of listed range

B. Another Correction Voltage, if provided

VI. Drawings

A. Tube Outline with Essential Dimensions,

Tolerances and Pin Connections

B. Graticule Outline with Essential

Dimension, if provided

____________________

51
 Annex D
Former system of version letter for integrated circuits
(for reference only)

For reference purposes only, below is listed the former system used for the Version letter of
Integrated circuits (4.2.4)

D.1 Version letters

Version letters may be added to a basic type number as follows, but shall be applied in
this sequence:

D.2 For packages the following letters are recommended general shape:

Optionally one letter to indicate a minor electrical variant of the basic type.

Note: the letter has no fixed meaning except “Z” which means customised wiring.

ONE LETTER for the SHAPE

C Cylindrical

D Ceramic DIL

E Ball grid array

F Flat pack (2 leads)

G Flat pack (4 leads)

H QUAD flat pack (QFP)

L Chip on tape (foil)

P Plastic DIL

Q QUIL

T Miniature plastic

U Uncased

D.3 An alternative two letter system may be used instead.

The first letter to indicate a package general shape and a second letter to indicate a
variant of that shape.

The first letter indicating a general shape has a fixed meaning as listed below, a
second letter may be added to indicate a version of the general shape. This second
letter has no fixed meaning, except for: C = metal-ceramic; G = glass ceramic; M =
metal; P = plastic.

52
 First letter: General shape Second letter: Material
C Cylindrical C Metal - ceramic
D Dual-in-line (DIL)
E Power DIL (with external heat sink)
F Flat (leads on 2 sides)
G Flat (leads on 4 sides) G Glass – ceramic (cerdip)
H QUAD Flat Pack (QFP)
J DIL bent SIL
K Diamond (TO-3 family)
M Multiple-in-line (except Dual-,Triple- and M Metal
Quadruple-in-line)
P Plastic
Q QUIL Quadruple-in-line
R Power QUIL (with external heat sink)
S Single-in-line (SIL)
T Triple-in-line
W Leaded chip carrier (LCC)
X Leadless chip carrier (LLCC)
Y Pin grid arrays (PGA)
Remark : To avoid confusion, when the serial number ends with a letter, the hyphen is used preceding the
suffix

Examples

PCF1105WP = digital IC, PC family, oper. temp. - 40° to + 85°C, serial number
1105, plastic leaded chip carrier.
GMB74LS00A-DC = digital IC, GM family, oper. temp. 0° to + 70°C, company
number 74LS00A, ceramic DIL package.
TDA1000P = analogue circuit, no standard temp. range, serial number 1000,
plastic DIL package.
SAC2000 = solitary digital circuit, oper. temp. - 55 to +125°C, serial number
2000.
Note - Some companies have been using version letters and/or two letter-suffix, which differ from the Pro
Electron definitions. In case of confusion Pro Electron may be contacted.

____________________

53