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PC817 Optocoupler Board

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Product Description

This module includes 4 PC817 general purpose optocoupler which provides high isolation voltage and noise rejection.

Typical applications:

  • I/O isolation for Micro Controller Units (MCUs),
  • Noise suppression in switching circuits,
  • Signal transmission between circuits of different potentials and impedances.


  • Independent channels, each one can be controlled using a different voltage level,
  • The input ports share the GND,
  • The output ports can use the same reference voltage or they can work with an independent GND for each channel, by disconnecting the included jumper cap.


  • Input signal voltage: 3.6-24V 
  • Output port voltage: 3.6-30V
  • Dimensions (mm): 48 X 38 X 10.3 
  • 4 mounting holes with a diameter of 3.5 mm.

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