PC817 Optocoupler IC – 4 Pin DIP Optical Isolation Chip

The PC817 Optocoupler IC – 4 Pin DIP Optical Isolation Chip is a widely used isolation component designed to transfer electrical signals between two circuits while keeping them electrically isolated. It uses an internal LED and phototransistor to provide safe signal transmission without direct electrical connection.

This IC is also known as: PC817 Optocoupler, Optical Isolator IC, 4 Pin Optocoupler, Photo Coupler IC, Isolation IC PC817.

The PC817 is commonly used in microcontroller interfacing, switching power supplies, relay circuits, motor control, signal isolation, and industrial control systems. It helps protect sensitive circuits like Arduino, ESP32, and other logic devices from high voltage or noise. Many users search for the PC817 optocoupler price in Bangladesh, making it a basic and essential component for electronics projects and repair work.

• IC Type: Optocoupler / Optical Isolation IC
• Model: PC817
• Package: DIP-4 (Through-hole)
• Input Type: Infrared LED
• Output Type: Phototransistor
• Isolation Voltage: Typically up to 5kV
• Operating Voltage: Compatible with low voltage logic circuits
• Mounting Type: Through-hole
• Application: Signal isolation, power supply circuits, microcontroller protection, switching circuits