PC817 Optocoupler (Opto-Isolator IC)

PC817 Optocoupler (Opto-Isolator IC) The PC817 Optocoupler (Opto-Isolator IC) provides electrical isolation between input and output circuits using an infrared LED and phototransistor. Essential for noise reduction and high-voltage isolation. Key Features Electrical isolation Noise suppression Infrared LED input Phototransistor output High isolation voltage Low cost Technical Specifications Model: PC817 Isolation: 5000Vrms Current: 50mA (diode), 50mA (transistor) Voltage: 35V (transistor) Package: DIP-4 Applications Signal isolation Switching power supplies MCU to relay isolation Noise reduction Level shifting