BUY FA5511 https://www.utsource.net/itm/p/11224682.html

Description: 8-Pin DIP Phototransistor Optocoupler Features: - Isolation Voltage: 5000Vrms - Low Input Current: 0.5mA - High Output Current: 100mA - High Speed Response Time: 10μs - Low Output Saturation Voltage: 0.2V Application: The FA5511 is a 8-pin DIP phototransistor optocoupler that is used for signal transmission between two circuits with different power supply voltages. It is commonly used in industrial automation, motor control, and power supply applications. (For reference only)