• PC817 Phototransistor Optocoupler
  • PC817 Phototransistor Optocoupler
  • PC817 Phototransistor Optocoupler
  • PC817 Phototransistor Optocoupler
  • PC817 Phototransistor Optocoupler

PC817 Phototransistor Optocoupler

JOD0.35
No tax

PC817 optocoupler with phototransistor output for electrical isolation and signal transfer. Ideal for microcontroller interfaces, switching, and power electronics.

Overview:
The PC817 Phototransistor Optocoupler is designed to provide reliable electrical isolation between input and output circuits while transferring signals using light. It helps protect sensitive microcontrollers and low-voltage electronics from high-voltage or noisy circuits. With a compact DIP-4 package, it is widely used in switching power supplies, signal isolation, microcontroller interfacing, and industrial electronics.

Specifications:

  • Model: PC817

  • Package: DIP-4

  • Input: Infrared LED

  • Output: NPN Phototransistor

  • Isolation Voltage: 5 kV (typical)

  • Forward Voltage (LED): 1.2V (typical)

  • Collector-Emitter Voltage: 80V (max)

  • Applications: Signal isolation, microcontroller interface, power supply circuits, switching, and noise protection

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