MOC3021 IC

 42.00  35.00


  • 400 V Photo-triac driver output
  • Gallium-Arsenide-Diode Infrared Source and Optically-Coupled Silicon triac driver
  • High Isolation 7500 V Peak
  • Output Driver Designed for 220 Vac
  • Standard 6-terminal plastic DIP

Pin Description:

  • Pin 1: Anode
  • Pin 2: Cathode
  • Pin 3: No connection (NC)
  • Pin 4: Main terminal
  • Pin 5: No connection (NC)
  • Pin 6: Main terminal

In stock

SKU: RE-MOC3021 Categories: , , Tags: , ,


  • Opto-isolators or Opto-couplers, are made up of a light emitting device, and a light sensitive device, all wrapped up in one package, but with no electrical connection between the two, just a beam of light.
  • MOC3021 is an opto-coupler designed for triggering TRIACS. By using this we can trigger anywhere in the cycle, so can call them as non-zero opto-coupler.
  • MOC3021 are very widely used and can be quite easily obtained from many sources.


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