MOC3163SM

Triac, SCR Output Optoisolators Overview

The onsemi MOC3163SM is a Triac and SCR output optocoupler featuring an integrated zero-crossing detection circuit. It provides electrical isolation between control circuits and high-voltage AC loads. The device utilizes a PhotoTriac output capable of handling up to 600 V in the off-state. Key electrical parameters include a maximum forward current (If) of 60 mA, a typical forward voltage (Vf) of 1.3 V, and a power dissipation (Pd) of 250 mW. The unit offers an insulation voltage of 5250 Vrms and operates within a temperature range of -40°C to +85°C.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing circuit for low electromagnetic interference switching
• High insulation voltage capability for safe galvanic isolation
• Surface-mount 6-pin package design for compact PCB integration

Triac, SCR Output Optoisolators Applications

• Solid-state relay driver circuits
• AC motor speed control systems
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'SM' confirms the surface-mount DIP-6 package variant. Confirm RoHS compliance status through official manufacturer documentation. Ensure the selected distributor source provides valid traceability for the component batch. Cross-reference the datasheet revision date to ensure parameter accuracy against current production standards.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to minimize electrical noise in AC load control. The 600 V blocking voltage suits standard mains voltage applications. Consider the 6-SMD form factor for automated assembly processes. Verify that the 5 mA trigger current requirement aligns with the driving logic level capabilities of the microcontroller or interface circuit.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC3163M series of Triac and SCR output optocouplers from onsemi. The series is designed for general-purpose AC power switching applications requiring reliable isolation. The MOC3163SM specifically denotes the surface-mount version of the standard through-hole MOC3163, maintaining identical electrical characteristics while adapting to SMT manufacturing workflows.

Triac, SCR Output Optoisolators Replacement Considerations

• MOC3163SVM

Triac, SCR Output Optoisolators FAQ

What is the purpose of the internal zero-crossing circuit?

The internal zero-crossing circuit ensures that the Triac turns on only when the AC line voltage is near zero, reducing electromagnetic interference and inrush current.

What is the maximum operating junction temperature?

The maximum operating temperature for the MOC3163SM is +85°C.