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MOC3042SM AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MOC3042SM product

MOC3042SM

SCR Output

OptocouplerTriac DriverZero-Crossing

The MOC3042SM is a 400V zero-crossing triac driver optocoupler in a 6-SMD package, ideal for isolating logic circuits from AC power lines.

Best for

  • Solid-state relays
  • AC load control

Avoid if

  • High-current direct load driving (requires external triac)

Check before use

  • dv/dt ratings in inductive load applications

Key specifications

Peak Blocking Voltage
400 V
Isolation Voltage
4170 VAC
Trigger Current
10 mA

Compliance & Environment

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

Application

Industrial ControlsAC Motor Drives

Datasheet

DSA-214754.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MOC3042SM: 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

It is a 6-pin SMD optoisolator with a zero-crossing triac driver output, designed to interface logic systems with 115/240 VAC power.