TLP621, TLP621-2, TLP621-4

HIGH DENSITY MOUNTING

PHOTOTRANSISTOR
OPTICALLY COUPLED ISOLATORS

APPROVALS TLP621
2.54 Dimensions in mm
l UL recognised, File No. E91231

DESCRIPTION 7.0 1 4
The TLP621, TLP621-2 , TLP621-4 series of 6.0 2 3
optically coupled isolators consist of infrared
light emitting diodes and NPN silicon photo 1.2
transistors in space efficient dual in line plastic
packages. 5.08 7.62
4.08 4.0
FEATURES 3.0
l Options :- 13°
10mm lead spread - add G after part no. 0.5 Max
Surface mount - add SM after part no. 3.0 0.26
Tape&reel - add SMT&R after part no. 3.35
TLP621-2 0.5
l High Current Transfer Ratio ( 50% min)
l High Isolation Voltage (5.3kVRMS ,7.5kVPK ) 2.54
1 8
l High BVCEO ( 55Vmin )
l All electrical parameters 100% tested 2 7
l Custom electrical selections available 7.0 3 6
6.0
APPLICATIONS 4 5
l Computer terminals 1.2
l Industrial systems controllers 10.16 7.62
l Measuring instruments 9.16 4.0
l Signal transmission between systems of 3.0
different potentials and impedances
0.5 13°
Max
3.0
0.26
3.35
0.5
1 16
TLP621-4 2 15
3 14
2.54 4 13
5 12
7.0 6 11
6.0
7 10
OPTION SM OPTION G
SURFACE MOUNT 7.62 1.2 8 9
20.32 7.62
19.32 4.0
3.0
0.6 13°
0.1 1.25 0.26 0.5
0.75 Max
10.46
10.16 0.26
9.86 3.0 0.5 3.35

ISOCOM COMPONENTS LTD

Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1YD
Tel: (01429) 863609 Fax :(01429) 863581

7/12/00
DB92547m-AAS/A1
 ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)

Storage Temperature -55°C to + 125°C

Operating Temperature -55°C to + 100°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C

INPUT DIODE

Forward Current 50mA

Reverse Voltage 5V
Power Dissipation 70mW

OUTPUT TRANSISTOR

Collector-emitter Voltage BVCEO 55V

Emitter-collector Voltage BVECO 6V
Power Dissipation 150mW

POWER DISSIPATION

Total Power Dissipation 200mW

(derate linearly 2.67mW/°C above 25°C)

ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )

PARAMETER MIN TYP MAX UNITS TEST CONDITION

Input Forward Voltage (VF) 1.0 1.15 1.3 V IF = 10mA

Reverse Voltage (VR) 5 V IR = 10µA
Reverse Current (IR) 10 µA VR = 5V

Output Collector-emitter Breakdown (BVCEO) 55 V IC = 0.5mA

( Note 2 )
Emitter-collector Breakdown (BVECO) 6 V IE = 100µA
Collector-emitter Dark Current (ICEO) 100 nA VCE = 24V

Coupled Current Transfer Ratio (CTR) (Note 2)

TLP621, TLP621-2, TLP621-4 50 600 % 5mA IF , 5V VCE
CTR selection available GB 100 600 %
BL 200 600 %
GB 30 % 1mA IF , 0.4V VCE

Collector-emitter Saturation VoltageVCE (SAT) 0.4 V 8mA IF , 2.4mA IC

GB 0.4 V 1mA IF , 0.2mA IC
Input to Output Isolation Voltage VISO 5300 VRMS See note 1
7500 VPK See note 1
Input-output Isolation Resistance RISO 5x1010 Ω VIO = 500V (note 1)
Rise Time tr 2 µs VCC =10V ,
Fall Time tf 3 µs IC = 2mA, RL = 100Ω
Turn-on Time ton 3 µs
Turn-off Time toff 3 µs

Note 1 Measured with input leads shorted together and output leads shorted together.
Note 2 Special Selections are available on request. Please consult the factory.

7/12/00 DB92547m-AAS/A1
 Collector Power Dissipation vs. Ambient Temperature Collector Current vs. Low
Collector-emitter Voltage
200
TA = 25°C
Collector power dissipation P C (mW)

25

Collector current I C (mA)

150 50
20
40
30
15 20
100
10
10 5
50
5 IF = 2mA

0 0
-30 0 25 50 75 100 125 0 0.2 0.4 0.6 0.8 1.0
Ambient temperature TA ( °C ) Collector-emitter voltage VCE ( V )

Forward Current vs. Ambient Temperature Collector Current vs. Collector-emitter Voltage

60
50 TA = 25°C
50
50 30
Forward current I F (mA)

20
Collector current I C (mA)

40
40
15
30
30 10

20
20

10 10 IF = 5mA

0 0
-30 0 25 50 75 100 125 0 2 4 6 8 10
Ambient temperature TA ( °C ) Collector-emitter voltage VCE ( V )

Collector-emitter Saturation Current Transfer Ratio vs. Forward Current

(V)

Voltage vs. Ambient Temperature

0.28 320
CE(SAT)

0.24 280
Current transfer ratio CTR (%)
Collector-emitter saturation voltage V

IF = 5mA
0.20 IC = 1mA 240

200
0.16
160
0.12
120
0.08
80 VCE = 5V
0.04 TA = 25°C
40
0 0
-30 0 25 50 75 100 1 2 5 10 20 50
Ambient temperature TA ( °C ) Forward current IF (mA)

7/12/00
DB92547m-AAS/A1