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MOC3021S AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MOC3021S product

MOC3021S

Component

OptocouplerTriac DriverAC Control

The MOC3021S is a reliable 400V triac driver optocoupler from LITEON, ideal for AC load switching in industrial and consumer applications.

Best for

  • AC motor control
  • Lighting dimmers
  • Solid-state relays

Avoid if

  • DC load switching
  • Applications requiring zero-crossing detection (this is a non-zero-crossing device)

Check before use

  • Ensure the load current does not exceed the rating of the external triac being driven.

Key specifications

VDRM
400V
Isolation
5000Vrms
Trigger Current
15mA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

AC Motor DrivesLighting Controls

Datasheet

61632f085901bceb583ca02ef0279e7d_LITEON(光宝)&MOC3021S.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MOC3021S: 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 MOC3021S is a 6-pin SMD optocoupler with a triac driver output, designed to isolate low-voltage control signals from high-voltage AC power circuits.