BUY PC817XJ0000F https://www.utsource.net/itm/p/11223089.html

Description: The PC817XJ0000F is a 4-pin DIP (dual in-line package) optocoupler from Sharp. Features: Isolation voltage: 5,000Vrms High input-output isolation voltage High speed response Low input current Low output saturation voltage High reliability Low temperature coefficient Applications: Industrial equipment Automotive equipment Office automation equipment Home appliances Security systems Power supplies Measuring instruments (For reference only)