MOC3011

Triac, SCR Output Optoisolators Overview

The MOC3011 is a single-channel optoisolator featuring a Gallium Arsenide infrared emitting diode coupled with a light-sensitive Triac. It provides electrical isolation of 5300Vrms and operates within a temperature range of -40°C to 100°C. The device utilizes a 6-pin DIP package and supports non-zero crossing triac triggering for AC input applications.

Triac, SCR Output Optoisolators Feature Summary

• Integrates an infrared LED with a light-sensitive Triac for optical signal transmission
• Provides high-voltage electrical isolation between input and output circuits
• Supports non-zero crossing triac firing for reliable AC load control

Triac, SCR Output Optoisolators Applications

• AC power switching circuits
• Solid-state relay interfaces
• Motor speed control systems
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix designation (e.g., XG, XSMT) against the required package type, as standard DIP and surface-mount variants exist within the series. Confirm that the non-zero crossing characteristic aligns with the target application's noise immunity requirements before finalizing procurement specifications.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high voltage isolation is required for AC loads without zero-crossing timing constraints. Ensure the driving circuit can supply sufficient current to the internal LED. Consider thermal management if operating near the upper temperature limit of 100°C in enclosed environments.

Triac, SCR Output Optoisolators Part Context

Part of the MOC3009/3011 series from Isocom Components, designed as a replacement for legacy optocouplers. The series maintains industry-standard pinouts and electrical characteristics, facilitating direct integration into existing designs requiring triac output isolation.

Triac, SCR Output Optoisolators Replacement Considerations

MOC3011XG

Triac, SCR Output Optoisolators FAQ

Does the MOC3011 support zero-crossing detection?

No, the MOC3011 is a non-zero crossing device, meaning it triggers the triac immediately upon receiving an input signal regardless of the AC line phase.

What is the maximum isolation voltage rating?

The device offers an isolation voltage rating of 5300Vrms between the input LED and output Triac.