Part Number : TLP421
Function : Photocoupler GaAs Ired & Photo−Transistor
Package : DIP 4 Pin Type
Maker : Toshiba
Image : 
Description :
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 (AC: 5kVRMS (min)).
Features
• Collector-emitter voltage: 80V (min.)
• Current transfer ratio: 50% (min.) Rank GB: 100% (min.)
• Isolation voltage: 5000Vrms (min.)
Applications :
1. Office Equipment
2. Household Appliances
3. Solid State Relays
4. Switching Power Supplies
5. Various Controllers
Datasheet PDF Download : 
Others datasheet of same file : TLP-421
