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MOC3043SM AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MOC3043SM product

MOC3043SM

Amplifiers

OptocouplerThyristorZero-Crossing

The MOC3043SM is a zero-crossing thyristor optocoupler designed for AC load control, offering 5000Vrms isolation and 400V off-state voltage.

Best for

  • AC voltage regulation
  • Motor control
  • Lighting dimming

Avoid if

  • DC load switching
  • Applications requiring >400V off-state voltage

Check before use

  • Thermal derating at high ambient temperatures

Key specifications

Isolation Voltage
5000 Vrms
Off-State Voltage
400 V
Trigger Current
5 mA

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.49.8000

Application

Industrial AutomationMotor Control

Datasheet

80da6a984f6dcedb97d49c886a9d0e80_2407181451_AOTE-MOC3043SM_C22373370.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MOC3043SM: 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

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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

It is a thyristor optocoupler with zero-crossing detection, used to isolate low-voltage control signals from high-voltage AC loads.