TLP421

2002-09-25

1

TOSHIBA Photocoupler GaAs Ired & Photo−Transistor

TLP421

Office Equipment

Household Appliances

Solid State Relays

Switching Power Supplies

Various Controllers

Signal Transmission Between Different Voltage Circuits

The TOSHIBA TLP421 consists of a silicone photo−transistor optically

coupled to a gallium arsenide infrared emitting diode in a four lead

plastic DIP (DIP4) with having high isolation voltage

· Collector-emitter voltage: 80V (min.)

· Current transfer ratio: 50% (min.)

Rank GB: 100% (min.)

· UL recognized: UL1577

· BSI approved: BS EN60065: 1994

Approved no.8411

BS EN60950: 1992

Approved no.8412

· SEMKO approved: EN60065, EN60950, EN60335

Approved no.9910249/01

Pin Configurations

(top view)

1

2

3

4

1 : Anode

2 : Cathode

3 : Emitter

4 : Collector

Unit in mm

TOSHIBA

11−5B2

Weight: 0.26 g