TN1205T-600

12 A SCR

Features
■ High current density per square mm

Applications
■ Overvoltage crowbar protection
A
■ Motor control circuits in power tools and
kitchen aids
■ Inrush current limiting circuits K A
G
Description
DPAK
This device is mounted in DPAK and intended for TN1205T-600B
use in applications such as voltage regulators
circuits for motorbikes, overvoltage crowbar
protection, motor control circuits in power tools
and capacitive discharge ignition.
Table 1. Device summary
IT(rms) 12 A
VDRM/VRRM 600 V
IGT 2 to 5 mA

October 2009 Doc ID 16339 Rev 1 1/8

www.st.com 8
Characteristics TN1205T-600

1 Characteristics

Table 2. Absolute ratings(1)

Symbol Parameter Value Unit

IT(RMS) On-state rms current (180 °C conduction angle) Tc = 103 °C 12 A

IT(AV) Average on-state current(180 °C conduction angle) Tc = 103 °C 8 A
tp = 8.3 ms 120
ITSM Non repetitive surge peak on-state current A
tp = 10 ms 115
I2T I2T value for fusing tp = 10 ms 66 A2s
Critical rate of rise of on-state current
di/dt F = 60 Hz Tj = 125 °C 50 A/µs
IG = 2 x IGT, tr ≤ 100 ns
IGM Peak gate current tp = 20 µs Tc = 125 °C 4 A
PG(AV) Average gate power dissipation Tj = 125 °C 1 W
Tstg Storage junction temperature range -40 to + 150
°C
Tj Operating junction temperature range -40 to + 125
1. Tj = 25 °C, unless otherwise specified

Table 3. Electrical characteristics(1)

Symbol Test conditions Min. Typ. Max. Unit

IGT VD = 12 V, RL = 33 Ω 2 5 mA
VGT VD = 12 V, RL = 33 Ω 1.3 V
VGD VD = VDRM, RL = 3.3 kΩ Tj = 125 °C 0.2 V
IH IT = 500 mA gate open 15 mA
IL IG = 1.2 IGT 30 mA
dV/dt VD = 67% VDRM gate open Tj = 125 °C 100 V/µs
Gate controlled turn on time
tGT ITM = 40 A, VD = VDRM(MAX), IGT = 100 mA 1.2 µs
dIG/dt = 5 A/µs, RG = 68 Ω
Circuit commutated turn off time
tq VD = 67% VDRM(MAX), Tj = 125 °C, ITM = 20 A, VR = 25 V 55 µs
dIT/dt = 30 A/µS, dVD/dt = 50 V/µs, RGK = 100 Ω
VTM ITM = 24 A, Tp = 380 µs 1.6 V
VT0 Threshold voltage Tj = 125 °C 0.85 V
Rd Dynamyc restistance Tj = 125 °C 30 mΩ

IDRM Tj = 25 °C 5 µA
VDRM = VRRM
IRRM Tj = 125 °C 2 mA
1. Tj = 25 °C, unless otherwise specified

2/8 Doc ID 16339 Rev 1

TN1205T-600 Characteristics

Table 4. Thermal resistance

Symbol Parameter Value Unit

Rth(j-c) Junction to case (DC) 1.8 °C/W

(1) ²
Rth(j-a) Junction to ambient (DC) S = 0.5 cm 70 °C/W
1. S = Copper surface under tab.

Figure 1. Maximum average power Figure 2. Average and DC on-state current

dissipation versus average versus case temperature
on-state current

Figure 3. Average DC on-state current Figure 4. Relative variation of thermal

versus ambient temperature impedance junction to case
versus pulse duration

Doc ID 16339 Rev 1 3/8

Characteristics TN1205T-600

Figure 5. Relative variation of thermal Figure 6. Relative variation of gate trigger

impedance junction to ambient current and voltage, holding and
versus pulse duration latching current versus Tj

Figure 7. Surge peak on-state current Figure 8. Non-repetitive surge peak on-state
versus number of cycles current for a sinusoidal pulse, and
corresponding values of I²t
ITMS(A), I2t (A2s)
1000.0
Tj initial = 25

ITSM

dI/dt limitation:
50 A/µs
100.0 2
It

tp(ms)
10.0
0.01 0.10 1.00 10.00

Figure 9. On-state characteristics Figure 10. Thermal resistance junction to

(maximum values) ambient versus copper surface
under tab

4/8 Doc ID 16339 Rev 1

TN1205T-600 Ordering information scheme

2 Ordering information scheme

Figure 11. Ordering information scheme

TN 12 05 T - 600 B (-TR)

Standard SCR series

Current
12 = 12 A
Sensitivity
05 = 5 mA
Application specific
Voltage
600 = 600 V
Package
B = DPAK
Packing mode
Blank = Tube
-TR = Tape and reel

Doc ID 16339 Rev 1 5/8

Package information TN1205T-600

3 Package information

● Epoxy meets UL94, V0

● Lead-free package
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.

Table 5. DPAK dimensions

Dimensions

Ref. Millimeters Inches

Min. Max. Min. Max.

A 2.20 2.40 0.086 0.094

E A A1 0.90 1.10 0.035 0.043
B2
C2 A2 0.03 0.23 0.001 0.009
L2
B 0.64 0.90 0.025 0.035
B2 5.20 5.40 0.204 0.212
D
H R C 0.45 0.60 0.017 0.023
L4
C2 0.48 0.60 0.018 0.023
A1
B R
D 6.00 6.20 0.236 0.244
G C

E 6.40 6.60 0.251 0.259

A2 G 4.40 4.60 0.173 0.181
0.60 MIN.

H 9.35 10.10 0.368 0.397

V2
L2 0.80 typ. 0.031 typ.
L4 0.60 1.00 0.023 0.039
V2 0° 8° 0° 8°

Figure 12. Footprint (dimensions in mm)

6.7 3 3 1.6

2.3
6.7
2.3

1.6

6/8 Doc ID 16339 Rev 1

TN1205T-600 Ordering information

4 Ordering information

Table 6. Ordering information

Order code Marking Package Weight Base qty Delivery mode

TN1205T-600B TN12 05T6 75 Tube

DPAK 0.3g
TN1205T-600B-TR TN12 05T6 2500 Tape and reel

5 Revision history

Table 7. Document revision history

Date Revision Changes

01-Oct-2009 1 Initial release.

Doc ID 16339 Rev 1 7/8

 TN1205T-600

Please Read Carefully:

Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the
right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no
liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this
document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products
or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such
third party products or services or any intellectual property contained therein.

UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS
OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT
RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING
APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY,
DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE
GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.

Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void
any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any
liability of ST.

ST and the ST logo are trademarks or registered trademarks of ST in various countries.

Information in this document supersedes and replaces all information previously supplied.

The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.

© 2009 STMicroelectronics - All rights reserved

STMicroelectronics group of companies

Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -
Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America
www.st.com

8/8 Doc ID 16339 Rev 1