MOC3051XSM

Triac, SCR Output Optoisolators Overview

The MOC3051XSM is a random phase triac output optocoupler manufactured by Isocom Components 2004 LTD. It features a single channel with an isolation voltage of 5000Vrms and utilizes a 6-SMD surface-mount package. The device provides galvanic isolation between control circuits and high-power triac loads, ensuring reliable operation in AC switching applications.

Triac, SCR Output Optoisolators Feature Summary

• Random phase triggering capability for zero-crossing or non-zero-crossing triac firing
• High isolation voltage rating for safe circuit separation
• Surface-mount packaging for automated assembly integration

Triac, SCR Output Optoisolators Applications

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

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'XSM' confirms the 6-SMD package variant against the official datasheet. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Confirm that the random phase characteristic aligns with the target application's noise requirements rather than requiring zero-crossing detection.

Triac, SCR Output Optoisolators Selection Notes

Select this component when random phase triac triggering is required within a compact surface-mount form factor. Consider the 5000Vrms isolation rating for safety compliance in mains-connected designs. Evaluate thermal management needs based on the expected load current and ambient operating conditions specified in the electrical characteristics.

Triac, SCR Output Optoisolators Part Context

Isocom Components 2004 LTD specializes in infrared optoelectronic devices, including optocouplers and optoswitches. The company serves as a supplier for industry-standard replacements and discontinued parts, maintaining manufacturing capabilities in the UK and Malaysia to support global demand for isolated switching components.

Triac, SCR Output Optoisolators Replacement Considerations

Cross-reference pinout and electrical parameters with original manufacturer equivalents such as the MOC3051 series from other vendors. Verify that the replacement maintains identical isolation ratings and package dimensions to ensure mechanical fit and functional equivalence in existing designs.