BUY PC817-4 https://www.utsource.net/itm/p/54158.html
DEVICE SPECIFICATION FOR PHOTOCOUPLER
Description: The PC817-4 is an optocoupler manufactured by Sharp. It is a 4-channel digital isolator with a DIP-16 package.
Features:
* Isolation voltage: 5000 Vrms
* High common-mode transient immunity
* Low propagation delay
* Low input current
* High collector-emitter voltage
Applications:
* Power supply isolation
* Signal isolation
* Motor control
* Industrial automation
* Medical equipment
(For reference only)
