MOC3083VM

Triac, SCR Output Optoisolators Overview

The MOC3083VM is a single-channel Triac output optocoupler manufactured by onsemi, designed for zero-crossing switching applications. It features an 800 V blocking voltage and operates within a temperature range of -40°C to +85°C. The device provides high isolation with a rated insulation voltage of 5250 Vrms. Key electrical parameters include a maximum forward current of 60 mA, a typical forward voltage of 1.3 V, and a power dissipation rating of 250 mW. It utilizes a 6-pin DIP package.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry minimizes electromagnetic interference during AC load switching.
• High isolation capability ensures safety in mains-connected control systems.
• Robust static dV/dt rating prevents false triggering from rapid voltage transients.

Triac, SCR Output Optoisolators Applications

• Solid-state relays
• AC motor speed controllers
• Lighting dimmer circuits

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'VM' corresponds to the through-hole PDIP-6 packaging configuration. Confirm RoHS compliance status via the manufacturer's latest documentation. Ensure the ordering part number matches the required insulation voltage rating and package style for your PCB layout.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing operation is required to reduce noise in AC power control circuits. The 800 V output rating suits standard mains voltages. Verify that the input LED drive current remains within the 60 mA limit and that the isolation voltage meets system safety requirements.

Triac, SCR Output Optoisolators Part Context

This device belongs to the MOC3083M series of Triac driver optocouplers. It serves as a solid-state interface between low-voltage logic circuits and high-voltage AC loads. The series is widely used in industrial controls where galvanic isolation and noise immunity are critical for reliable operation.

Triac, SCR Output Optoisolators Replacement Considerations

The MOC3083SR2M is a surface-mount variant of the same functional family. Verify package compatibility before substitution. Other MOC308x series devices may share pinouts but differ in voltage ratings or trigger characteristics.