MOC3031SVM

Triac, SCR Output Optoisolators Overview

The MOC3031SVM is a surface-mount zero-crossing triac driver optocoupler from onsemi. It features a single channel with a photo-triac output, designed for AC input applications. The device provides electrical isolation with a rated isolation voltage of 4170 Vrms. It operates within a temperature range of -40°C to +85°C and includes an integrated zero-crossing detection circuit to minimize electromagnetic interference during switching.

Triac, SCR Output Optoisolators Feature Summary

• Integrates a photo-triac output for direct triac triggering
• Includes internal zero-crossing detection circuitry
• Provides high-voltage electrical isolation between input and output

Triac, SCR Output Optoisolators Applications

• Solid-state relay control circuits
• AC motor speed control systems
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific package variant against official datasheets, as suffixes may indicate different packaging or testing configurations. Confirm that the required isolation voltage rating meets the safety standards of the target application. Ensure the operating temperature range aligns with the environmental conditions of the final assembly.

Triac, SCR Output Optoisolators Selection Notes

Select this component when surface-mount technology is required for zero-crossing triac driving. Compare the 4170 Vrms isolation rating against system requirements. Consider the peak repetitive off-state voltage limits for the connected load. Verify compatibility with the control logic voltage levels for the LED input side.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC303x series of zero-crossing triac driver optocouplers. It is functionally similar to through-hole variants like the MOC3031M but utilizes a surface-mount package. The series is designed for reliable AC power switching applications requiring noise reduction through zero-crossing activation.

Triac, SCR Output Optoisolators Replacement Considerations

Direct pin-compatible replacements include other MOC303x series devices such as MOC3032SM or MOC3033SM, provided the peak voltage ratings match the application requirements. Verify that substitute parts offer equivalent isolation voltage and current transfer ratio specifications.