MOC3021M

Triac, SCR Output Optoisolators Overview

The MOC3021M is a triac output optoisolator from the Lite-On MOC30 series. It features a single channel with a 6-pin PDIP package. The device provides an isolation voltage of 5kVrms and supports a maximum forward current of 50mA. It operates within a temperature range of -40°C to 100°C. The output type is a triac without zero voltage crossing driver, rated for 400V output voltage.

Triac, SCR Output Optoisolators Feature Summary

• Provides electrical isolation between input and output circuits using an internal LED and triac structure.
• Designed for direct interface with logic outputs to control AC loads such as heaters and lamps.
• Includes built-in snubber circuitry to improve noise immunity and prevent false triggering.

Triac, SCR Output Optoisolators Applications

• Solid state relay (SSR) driver circuits
• AC power switching applications
• Industrial process control systems

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and variant selection. Confirm that the component meets required safety certifications such as UL, VDE, or CSA for your target market. Check the latest availability status through authorized distributors as supply chain conditions may vary.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing functionality is not required for the application. Ensure the load current does not exceed the triac's rating. Verify that the input forward current requirements are compatible with the driving logic level. Consider thermal management if operating near the upper temperature limit.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC302x family of optotriacs. It shares similar pinouts and basic characteristics with other members like the MOC3020 and MOC3021. The 'M' suffix typically denotes a specific tape and reel or tube configuration depending on the manufacturer's coding system.

Triac, SCR Output Optoisolators Replacement Considerations

• MOC3020
• MOC3021

Triac, SCR Output Optoisolators FAQ

Does the MOC3021M include a zero voltage crossing driver?

No, the MOC3021M does not have a zero voltage crossing driver. It triggers whenever the input LED is activated.

What is the isolation voltage rating of the MOC3021M?

The isolation voltage rating is 5kVrms.