MOC3042FVM

Triac, SCR Output Optoisolators Overview

The MOC3042FVM is a single-channel Triac output optocoupler manufactured by onsemi. It features a zero-crossing detection circuit for low electromagnetic interference switching. The device utilizes a PhotoTriac output capable of blocking up to 400 V in the off-state. Electrical isolation is rated at 7500 Vrms, ensuring safety compliance. The component operates within a temperature range of -40°C to +85°C and accepts a maximum forward current of 60 mA with a typical trigger current of 10 mA.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry for reduced electrical noise
• High voltage isolation rating for enhanced safety
• PhotoTriac output stage for AC load control

Triac, SCR Output Optoisolators Applications

• Solid state relay (SSR) modules
• AC power switching circuits
• Motor speed control systems
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix FVM confirms the surface-mount 6-SMD Gull Wing package configuration. Confirm RoHS compliance status through official manufacturer documentation. Ensure the procurement channel provides valid traceability for electronic components. Cross-reference the datasheet revision date to guarantee parameter accuracy.

Triac, SCR Output Optoisolators Selection Notes

Select this component when surface-mount assembly is required for AC triac driving applications. The integrated zero-crossing feature distinguishes it from non-zero-crossing variants like the MOC3041 series. Consider the 400 V blocking voltage limit for appropriate load matching. Verify thermal management requirements for the SMD footprint during high-current operation.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC3042M family of Triac output optocouplers. It shares functional characteristics with through-hole versions but differs in physical packaging. The FVM suffix specifically denotes the surface-mount variant. It serves as an interface between low-voltage logic circuits and high-voltage AC loads.

Triac, SCR Output Optoisolators Replacement Considerations

The MOC3042SR2VM is listed as a similar alternative by distributors. Verify pinout compatibility and package dimensions before substitution. Check if the replacement maintains identical zero-crossing timing characteristics.