PC817 Optocoupler DIP-4 Transistor Output Isolation IC

The PC817 Optocoupler DIP-4 is a compact optocoupler (photocoupler) with a DIP-4 package, designed to provide electrical isolation between input and output circuits. It integrates a gallium arsenide infrared emitting diode (IR LED) and an NPN silicon phototransistor, making it ideal for isolating logic signals, microcontrollers, and power electronics. With its high isolation voltage (up to 5000 Vrms) and fast response, the PC817 is widely used in switching power supplies, industrial automation, signal isolation, and communication systems. Its reliable transistor output ensures stable performance in various digital and analog applications. Features: Compact DIP-4 optocoupler package Consists of IR LED input and NPN phototransistor output High isolation voltage: up to 5000 Vrms Low power consumption and stable performance Wide operating temperature range Suitable for both digital and analog signal isolation Applications: SMPS, PLCs, microcontroller interfaces, signal transmission Specifications: Model: PC817 Make : Sharp Package Type: DIP-4 Input: GaAs Infrared LED Output: NPN Phototransistor Isolation Voltage: 5000 Vrms (minimum) Collector-Emitter Voltage (Vce): 80V max Collector Current (Ic): 50mA max Forward Current (If): 50mA max CTR (Current Transfer Ratio): 50% – 600% (depending on type) Operating Temperature: -30°C to 100°C Applications: Power supply feedback, signal isolation, microcontroller interfacing, industrial electronics Package Includes: 1 x PC817 DIP-4 Transistor Output Optocoupler