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MOC3043SM AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MOC3043SM product

MOC3043SM

SCR Output

OptoisolatorTriac DriverZero-Cross

The MOC3043SM is a zero-crossing triac driver optoisolator, ideal for safely controlling 115VAC loads from low-voltage logic circuits.

Best for

  • Solid-state relays
  • AC motor control
  • Industrial lighting

Avoid if

  • High-frequency switching applications
  • DC load control

Check before use

  • dv/dt ratings
  • Triac gate current requirements

Key specifications

Isolation Voltage
4170 Vrms
Peak Blocking Voltage
400 V
Trigger Current
5 mA
Zero-Cross
Yes

Compliance & Environment

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

Application

Industrial ControlsAC Motor Drives

Datasheet

sf-00074403.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
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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

It is a 6-pin SMD optoisolator featuring a GaAs infrared LED coupled to a zero-crossing triac driver, used to isolate logic circuits from AC power lines.