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

Applications

• Signal isolation
• Switching power supplies
• MCU to relay isolation
• Noise reduction
• Level shifting