MOC3021FR2M

Triac, SCR Output Optoisolators Overview

The MOC3021FR2M is a surface-mount triac output optocoupler from onsemi, designed for phase control applications. It features a gallium arsenide infrared LED coupled to a zero-crossing detection triac output. The device provides high isolation voltage of 7500Vpk and operates within a temperature range of -40°C to +85°C. Key electrical parameters include a peak repetitive off-state voltage of 400V, forward current of 60mA, and forward voltage of 1.15V. It is housed in a 6-SMD gull-wing package.

Triac, SCR Output Optoisolators Feature Summary

• Integrates a zero-crossing detection circuit to minimize electromagnetic interference during switching
• Provides high electrical isolation between input and output sides
• Features a sensitive gate triac output for reliable triggering

Triac, SCR Output Optoisolators Applications

• Solid state relays
• Motor speed controls
• Lighting dimmers

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'FR2M' against the manufacturer's official datasheet to confirm the 7500Vpk isolation rating and 6-SMD gull-wing package configuration. Ensure compatibility with zero-crossing requirements for the target application. Cross-reference the part number with authorized distributors to avoid obsolete or counterfeit components.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high isolation voltage and zero-crossing functionality are required for AC load control. Compare the 400V blocking voltage and 60mA forward current limits against circuit demands. Consider the surface-mount package constraints and thermal dissipation capabilities relative to the PCB layout and ambient operating conditions.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC3021 series of triac output optocouplers. It shares functional similarities with other members like the MOC3021M but differs in packaging and potentially isolation ratings. The FR2M variant specifically denotes the surface-mount gull-wing form factor with enhanced isolation characteristics compared to standard DIP versions.

Triac, SCR Output Optoisolators Replacement Considerations

Direct substitutes may include MOC3021FR1M or MOC3021SM depending on package and isolation requirements. Verify pinout compatibility and electrical parameter equivalence before substitution.