Datasheet Summary
Phototransistor Optocouplers
○R
General Description
The PC817 contains a light emitting diode optically coupled to a phototransistor.It is a packaged in a 4-pin DIP package.Input-output isolation voltage is 5000Vrms,Response time,tr,is typically 4μs and minimum CTR is 50% at input current of 5mA.
Characteristics
- Current transfer ratio(CTR:MIN.50% at IF=5mA, VCE=5V)
- High isolation voltage between input and output
(Viso=5000Vrms)
- Excellent Stability at High Temperature
- Minimum BVCEO of 70V guaranteed
- pact dual-in-line package
Package 4-pin DIP
Applications
- Feedback circuit in power supply
- System appliances, measuring instruments
- Registers, copiers, automatic...