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Best Alternatives to MOC3041M

Package: 6-DIP (0.300", 7.62mm)onsemiSCR OutputPackage: TubeNumber of Channels: 1Voltage - Isolation: 4170VrmsVoltage - Off State: 400 VCurrent - LED Trigger (Ift) (Max): 15mA

The onsemi MOC3041M is a popular 6-DIP zero-cross triac driver optocoupler for AC load control. When seeking a replacement, key considerations are the package, zero-crossing functionality, and 400V blocking voltage.

AI replacement insight

Package riskmedium

Several alternatives are in SMD packages, requiring a PCB redesign.

Electrical riskhigh

Some alternatives lack the zero-crossing circuit, which is a critical functional difference.

Sourcing risklow

The MOC30xx series is widely available from onsemi and other manufacturers.

Can it be replaced directly?

Yes, the onsemi MOC3061M is a likely pin-compatible upgrade. For new designs using surface-mount technology, the MOC3041SR2M is the direct electrical equivalent in an SMD package.

Best replacement path

The onsemi MOC3061M is the best replacement path, offering a direct upgrade to a 600V blocking voltage within the same 6-DIP package.

Main risk

The primary risk when replacing MOC3041M is selecting a part with an incompatible package (SMD vs. DIP) or one that lacks the critical zero-crossing feature, which can increase electrical noise.

Recommended alternatives

4
MOC3061M package
MOC3061M

onsemi

Needs validationlow risk

A likely pin-compatible upgrade from the same manufacturer with a higher 600V blocking voltage.

View details

Alternative comparison matrix

Feature / factorMOC3041MMOC3061MMOC3041SR2MMOC3061M(UMW)Compatibility / risk
Package6-DIP6-DIP6-SMD, Gull WingDIP-6/SOP-66-DIP / 6-SMD, Gull Wing / DIP-6/SOP-6 — Package matches, enabling potential drop-in.; MOC3041SR2M: Surface-mount package requires PCB redesign.; MOC3061M(UMW): Package is ambiguous and must be verified.; MOC3021M: Package matches.
Voltage400V600V400V600V600V / 400V — Higher blocking voltage provides increased design margin.; MOC3041SR2M: Electrical parameters match perfectly.; MOC3061M(UMW): Higher blocking voltage is an upgrade.; MOC3021M: Blocking voltage matches.
Current15mA15mA--15mA — LED trigger current matches.
Zero CrossingYesYesYes-Yes / No (Random Phase) — Critical zero-crossing feature matches.; MOC3041SR2M: Critical zero-crossing feature matches.; MOC3021M: Lacks the critical zero-crossing circuit.
Manufactureronsemi--UMWUMW — Cross-vendor part, performance may vary.

Application & sourcing insights

Questions & answers

The best alternative to MOC3041M is the onsemi MOC3061M. It is likely pin-compatible, comes in the same 6-DIP package, and offers a superior 600V blocking voltage, providing a robust upgrade.