Name: PC817 Optocoupler IC – 4-Pin Phototransistor Isolation for Arduino & AC/DC Circuits - PCBVerse
Price: 3.00 INR
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PC817 Optocoupler IC – 4-Pin Phototransistor Isolation for Arduino & AC/DC Circuits

PC817 is a 4-pin optocoupler IC that provides safe optical isolation between high-voltage and low-voltage circuits. Ideal for microcontroller protection, AC detection, and switching applications.

Description

Function: Optocoupler / Phototransistor output
Input: Infrared LED (forward voltage: 1.2V typical)
Output: Phototransistor
Isolation Voltage: 5,000 Vrms (between input and output)
Operating Voltage: Collector-Emitter Voltage up to 80V
Package: 4-pin DIP (through-hole)
Switching Speed: ~4µs rise/fall time
Applications: AC signal detection, microcontroller interfacing, relay driving, SMPS
Compatibility: Arduino, ESP32, STM32, Raspberry Pi