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MOC3021 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MOC3021 product

MOC3021

SCR Output

OptocouplerTriac DriverIsolation

The MOC3021 is a standard 6-pin DIP optocoupler with a triac driver output, ideal for isolating low-voltage logic from AC power circuits.

Best for

  • AC motor control
  • Lighting dimmers
  • Solid-state relay interfaces

Avoid if

  • Applications requiring zero-crossing detection (this is a non-zero-cross device)

Check before use

  • LED drive current capability
  • Peak AC voltage levels

Key specifications

Isolation Voltage
5000 Vrms
VDRM
400 V
Trigger Current
15 mA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

Motor ControlLighting

Datasheet

DSASFU10006061.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MOC3021: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The MOC3021 is a 6-pin DIP photocoupler featuring a triac driver output, designed to provide electrical isolation between low-voltage control signals and high-voltage AC loads.