MOC3081FM

Triac, SCR Output Optoisolators Overview

The MOC3081FM is a Triac and SCR Output Optoisolator manufactured by onsemi. It features a PhotoTriac output with an integrated zero-crossing circuit for low EMI switching. The device utilizes a 6-SMD, Gull Wing package and provides high isolation capability of 7.5kV. Key electrical parameters include an off-state voltage of 800 V, a maximum forward current of 60 mA, and a peak trigger current of 15 mA. It operates within a temperature range of -40°C to +85°C.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry for reduced electromagnetic interference during AC line switching
• High isolation voltage rating of 7.5kV for enhanced safety in mains-connected applications
• Surface mount 6-SMD gull wing packaging for automated assembly compatibility

Triac, SCR Output Optoisolators Applications

• Solid state relay driver circuits
• AC power control systems
• Motor speed control interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify component authenticity through authorized distribution channels due to the part's obsolete status. Confirm that substitute components meet the original 7.5kV isolation and 800V blocking voltage requirements. Ensure the replacement package matches the 6-SMD footprint to maintain PCB layout integrity. Check datasheets for thermal performance alignment with the specified operating temperature range.

Triac, SCR Output Optoisolators Selection Notes

Select this component for applications requiring robust isolation between control logic and high-voltage AC loads. The integrated zero-crossing feature makes it suitable for noise-sensitive environments. Consider the surface mount form factor for space-constrained designs. Evaluate thermal dissipation capabilities relative to the 250 mW power dissipation limit under continuous operation conditions.

Triac, SCR Output Optoisolators Part Context

The MOC3081FM belongs to the MOC308x series of optoisolators designed for triac and SCR triggering. It is part of onsemi's portfolio of solid-state switching solutions. The device is classified as obsolete and is no longer actively manufactured by the producer.

Triac, SCR Output Optoisolators Replacement Considerations

The MOC3081FM is listed as obsolete. Substitutes such as the IL4108-X017 are available from other manufacturers. Verify pinout compatibility and electrical specifications when selecting alternatives.