Photocoupler GaAs Ired & Photo−Transistor
Office Machine Programmable Controllers AC / DC−Input Module Telecommunication

The TOSHIBA mini flat coupler TLP121 is a small outline coupler, suitable for surface mount assembly. TLP121 consists of a photo transistor, optically coupled to a gallium arsenide infrared emitting diode.


Collector−emitter voltage: 80V (min.)

Current transfer ratio: 50% (min.)
   Rank GB: 100% (min.)

Isolation voltage: 3750Vrms (min.)

UL recognized: UL1577, file no. E67349