Hi Friends! Hope you are doing well. Today, I’ll cover the details of the Introduction to MOC3021 Optpsiolator.

In this post, we’ll discuss each and everything related to MOC3021, MOC3021 Datasheet and its pinout and description, features, related circuits and applications. Let’s dive right in and explore everything you need to know.

1. Description

The MOC3021 is a TRIAC-driven Zero-Crossing Optocoupler or Optoisolator. As we all know, the terms optocoupler and optoisolator refer to the same thing: we use light to connect circuits indirectly. MOC3021 is unique in that it has Zero-Crossing capability and is powered by a Triac.

2. Features

  • 400 V Phototriac Driver Output
  • Gallium-Arsenide-Diode Infrared Source and Optically-Coupled Silicon Traic Driver (Bilateral Switch)
  • UL Recognized . . . File Number E65085
  • High Isolation . . . 7500 V Peak
  • Output Driver Designed for 220 Vac
  • Standard 6-Terminal Plastic DIP
  • Directly Interchangeable with Motorola MOC3020, MOC3021, MOC3022, and MOC3023

3. Applications

  • Solenoid/Valve Controls
  • Lamp Ballasts
  • Interfacing Microprocessors to 115/240 Vac Peripherals
  • Motor Controls
  • Incandescent Lamp Dimmers

4. Naming Rule

5. Application Circuit

 

6. Package

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