BUY MOC5007 https://www.utsource.net/itm/p/911177.html
Microprocessor Compatible Schmitt Trigger Optically Coupled Isolator1.6mA/（+）
Description: The MOC5007 is an optically coupled isolator containing a GaAs infrared emitting diode and a NPN silicon phototransistor. Features: - Isolation voltage: 5000 Vrms - Low input current: 0.5 mA - High collector-emitter voltage: 80 V - High collector current: 100 mA - Low coupling capacitance: 0.5 pF Applications: - Isolation of digital and analog signals - Isolation of high-voltage and low-voltage circuits - Isolation of power supplies - Isolation of microprocessors and logic circuits - Isolation of AC and DC signals (For reference only)