BUY TLP627-4 https://www.utsource.net/itm/p/1246502.html
Optocoupler - Transistor Output, 4 CHANNEL DARLINGTON OUTPUT OPTOCOUPLER, PLASTIC, 11-5B2, DIP-4
Description: The TLP627-4 is an optocoupler with a phototransistor output. Features: -High isolation voltage: 5000Vrms -High collector-emitter voltage: 80V -High collector current: 100mA -Low input current: 0.5mA -Low input-output capacitance: 0.5pF Application: The TLP627-4 can be used in various applications such as motor control, power supply control, and signal transmission. It can also be used for isolation of digital and analog signals. (For reference only)