MOC3021 Optocoupler
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MOC3021 Specification

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


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

No Description Available.