MOC3081SVM

Triac, SCR Output Optoisolators Overview

The MOC3081SVM is a single-channel Triac and SCR output optocoupler manufactured by onsemi. It features an integrated zero-crossing detection circuit for low electromagnetic interference switching. The device utilizes a PhotoTriac output capable of blocking up to 800 V in the off-state. Electrical characteristics include a maximum forward current of 60 mA, a forward voltage of 1.3 V, and a power dissipation of 250 mW. The unit provides high isolation with an insulation voltage of 5250 Vrms. It operates within a temperature range of -40°C to +85°C and is housed in a surface-mount SMD-DIP-6 package.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry minimizes electrical noise during triac triggering.
• High-voltage isolation capability ensures safe separation between control and load circuits.
• Surface-mount packaging facilitates automated assembly and compact board design.

Triac, SCR Output Optoisolators Applications

• Industrial automation control systems
• Solid-state relay implementations
• General-purpose AC load switching

Triac, SCR Output Optoisolators Procurement Notes

Verify component authenticity through authorized onsemi distributors or certified suppliers. Confirm RoHS compliance status via official documentation prior to integration. Ensure storage conditions maintain moisture sensitivity levels according to manufacturer guidelines. Validate package marking against datasheet specifications to prevent counterfeit substitution. Request batch-specific test reports if required for critical industrial certifications.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to reduce inrush current and electromagnetic interference. The 800 V blocking voltage suits standard AC line applications. Consider the 60 mA input current requirement for driver compatibility. The SMD-DIP-6 form factor is suitable for space-constrained designs requiring surface mount technology. Verify thermal management needs against the 250 mW power dissipation limit.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC3081M series of Triac and SCR output optocouplers from onsemi. It is designed for applications requiring reliable isolation and noise-free switching of AC loads. The series offers various pin configurations and voltage ratings to accommodate different circuit topologies. It serves as a standard interface between low-voltage logic circuits and high-voltage AC power stages.

Triac, SCR Output Optoisolators Replacement Considerations

The MOC3083SVM is a public confirmed substitute within the same family, offering similar functionality with a lower maximum trigger current of 5 mA compared to the 15 mA of the MOC3081SVM. Designers must verify that the driving circuit can supply sufficient current for the alternative part's triggering requirements before substitution.