BUY SFH6156-2 https://www.utsource.net/itm/p/11667297.html

Description: SFH6156-2 is a phototransistor optocoupler manufactured by Vishay. It is a 4-pin SOP package and has an isolation voltage of 5000Vrms. Features: High isolation voltage of 5000Vrms Low input current of 1mA High collector-emitter voltage of 80V High collector current of 100mA Low leakage current of 5μA High speed response time of 10μs Application: SFH6156-2 is used for signal isolation, power supply isolation, and motor control applications. It is also used in industrial automation, medical equipment, and consumer electronics. (For reference only)