MOC3163TVM

Triac, SCR Output Optoisolators Overview

The MOC3163TVM is a Triac and SCR output optocoupler from onsemi, featuring an integrated zero-crossing detection circuit. It provides electrical isolation between control circuits and high-voltage AC loads. Key parameters include a maximum forward current of 60 mA, a peak repetitive off-state voltage of 600 V, and an isolation voltage rating of 4170 Vrms. The device operates within a temperature range of -40°C to +85°C and is housed in a 6-pin DIP package.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuit for low electromagnetic interference switching
• High isolation voltage capability for safe operation in high-voltage environments
• Robust static dV/dt noise immunity to prevent false triggering

Triac, SCR Output Optoisolators Applications

• Solid-state relays (SSRs)
• Motor speed controls
• Lighting dimmers
• Heater control systems

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'TVM' corresponds to the tube packaging format as indicated by distributor listings. Confirm that the 4170 Vrms isolation rating aligns with your system's safety requirements. Ensure the 600 V peak voltage rating is sufficient for the target AC line voltage. Check for RoHS compliance status if required by your manufacturing standards.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to minimize electrical noise and inrush currents. The 600 V rating suits standard 120 V and 230 V AC applications. Consider the 6-pin DIP package for through-hole assembly processes. Verify that the 60 mA input current drive capability matches your microcontroller or logic gate output specifications.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC3163M series of Triac and SCR output optocouplers. It is designed for general-purpose AC power switching applications where low EMI is critical. The series integrates a photodiode array for zero-crossing detection with a Triac driver output. It serves as a bridge between low-voltage digital control circuits and high-voltage AC power stages.

Triac, SCR Output Optoisolators Replacement Considerations

Check datasheets for equivalent parts in the MOC306x or MOC316x families. Verify pinout compatibility and isolation voltage ratings before substitution. Ensure the replacement part also includes zero-crossing detection if EMI reduction is required. Confirm package dimensions match the existing PCB footprint.

Triac, SCR Output Optoisolators FAQ

What is the purpose of the zero-crossing circuit in this device?

The zero-crossing circuit ensures that the internal Triac turns on only when the AC line voltage is near zero volts. This minimizes electromagnetic interference (EMI) and reduces inrush currents into capacitive loads.

What is the maximum peak repetitive off-state voltage?

The MOC3163TVM has a maximum peak repetitive off-state voltage (VDRM) of 600 V, making it suitable for 120 V and 230 V AC mains applications.