MOC3061M

Triac, SCR Output Optoisolators Overview

The MOC3061M is a zero-crossing triac driver optocoupler featuring a single channel in a 6-pin PDIP package. It integrates an infrared LED with a photo-triac output capable of blocking up to 600 VAC. The device provides high isolation voltage of 4170 Vrms and operates within a temperature range of -40°C to +85°C. Key electrical parameters include a maximum forward current of 60 mA, peak repetitive off-state voltage of 600 V, and a typical holding current of 500 µA. It is designed for AC power switching applications requiring noise immunity.

Triac, SCR Output Optoisolators Feature Summary

• Integrates zero-crossing detection circuitry to minimize electromagnetic interference during switching.
• Provides galvanic isolation between control logic and high-voltage AC loads via internal optical coupling.
• Features a robust photo-triac output stage suitable for driving triacs and SCRs directly.

Triac, SCR Output Optoisolators Applications

• Solid state relays (SSR) for industrial load control
• Motor speed controllers and soft starters
• Lighting dimmer circuits for residential and commercial use

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix designation against the manufacturer's official documentation to confirm pinout configuration and packaging type. Ensure that the procurement source provides valid UL certification records matching file number E90700. Cross-reference datasheet revisions to confirm compliance with current safety standards before finalizing component selection.

Triac, SCR Output Optoisolators Selection Notes

Select this component when designing circuits requiring precise timing alignment with AC line voltage to reduce electrical noise. Evaluate the thermal management requirements based on the specified 250 mW power dissipation limit. Confirm that the input drive current meets the minimum trigger requirements for reliable zero-crossing activation under varying load conditions.

Triac, SCR Output Optoisolators Part Context

This device belongs to the MOC3 series of optocouplers manufactured by onsemi. It is part of a family of components designed for AC power control applications. The MOC3061M specifically addresses the need for low-noise switching in consumer and industrial electronics by synchronizing conduction with the AC waveform zero-crossing point.

Triac, SCR Output Optoisolators Replacement Considerations

Consider the MOC3061VM or MOC3061SR2M as potential substitutes depending on the required mounting style and packaging format. Verify that alternative parts maintain identical electrical characteristics, particularly the 600 V blocking voltage and zero-crossing functionality, to ensure circuit compatibility.