MOC3163FM

Triac, SCR Output Optoisolators Overview

The MOC3163FM is a single-channel Triac and SCR output optocoupler manufactured by onsemi. It features an integrated zero-crossing detection circuit for precise AC phase control applications. The device utilizes a PhotoTriac output capable of handling up to 600 V in the off-state. Electrical specifications include a maximum forward current of 60 mA, a forward voltage of 1.3 V, and a power dissipation rating of 250 mW. The unit provides high isolation with a breakdown voltage of 5250 Vrms. Triggering parameters specify a maximum gate trigger current of 5 mA and a zero-crossing voltage threshold of 15 V. Operating temperatures range from -40°C to +85°C.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry ensures switching occurs near the AC line voltage zero point to minimize electromagnetic interference.
• High-voltage isolation capability protects low-voltage control circuits from high-voltage AC loads through robust dielectric barriers.
• Built-in PhotoTriac output stage allows direct interfacing with triacs or SCRs for efficient power switching without additional discrete components.

Triac, SCR Output Optoisolators Applications

• Solid-state relays for industrial automation
• AC motor speed control systems
• Lighting dimmer circuits

Triac, SCR Output Optoisolators Procurement Notes

Verify component authenticity through authorized distribution channels due to the prevalence of counterfeit optocouplers. Confirm package marking matches official datasheet standards. Check RoHS compliance status as manufacturing processes may vary across production lots. Ensure storage conditions adhere to moisture sensitivity levels specified in the datasheet to maintain lead integrity before soldering.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing functionality is required to reduce electrical noise in AC power control designs. The 600 V blocking voltage suits standard residential and light commercial AC lines. Consider the PDIP-6 or SMD-DIP-6 package availability based on PCB layout constraints. Evaluate thermal management requirements given the 250 mW power dissipation limit under continuous operation conditions.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC3163M series of Triac and SCR output optocouplers. It serves as a specialized variant within onsemi's portfolio designed for isolated switching applications. The series distinguishes itself by combining driver logic with zero-crossing detection in a compact form factor, replacing complex discrete solutions in modern power electronics.

Triac, SCR Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: MOC3163F-M.