MOC3072SVM

Triac, SCR Output Optoisolators Overview

The MOC3072SVM is a Triac and SCR output optocoupler from onsemi, designed for surface mount applications in a 6-pin PDIP package. It provides electrical isolation between low voltage logic circuits and high voltage AC lines without zero-crossing detection, enabling random phase control. Key specifications include an insulation voltage of 4170 Vrms, a peak blocking voltage (Vdrm) of 800 V, and a forward current (If) of 60 mA. The device operates within a temperature range of -40°C to +85°C and features enhanced static dv/dt capability for stable switching of inductive loads.

Triac, SCR Output Optoisolators Feature Summary

• Provides random phase control of high current triacs or thyristors by isolating low voltage logic from AC lines
• Features excellent IFT stability with an IR emitting diode that exhibits low degradation
• Offers greatly enhanced static dv/dt capability to ensure stable switching performance of inductive loads

Triac, SCR Output Optoisolators Applications

• Consumer appliances requiring AC power control
• Industrial motor control systems
• Solid state relays for AC load switching

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pinout configuration and packaging details. Ensure the selected variant matches the required insulation voltage and peak blocking voltage ratings for the target application environment. Cross-reference the component marking with the official part number to prevent counterfeit substitution errors during assembly.

Triac, SCR Output Optoisolators Selection Notes

Select this component when random phase firing is required rather than zero-crossing switching. Confirm that the 800 V peak blocking voltage meets the line voltage requirements of the controlled circuit. Evaluate the thermal management needs based on the 330 mW power dissipation rating and the operating temperature range limits defined in the specification sheet.

Triac, SCR Output Optoisolators Part Context

This device belongs to the MOC3072 series of Triac and SCR output optocouplers. It is engineered for applications demanding reliable isolation between control electronics and high voltage AC power stages. The series is characterized by robust performance in consumer and industrial environments where stable switching of inductive loads is critical.

Triac, SCR Output Optoisolators Replacement Considerations

Consult the official cross-reference list for direct replacements. Verify compatibility regarding pin configuration, insulation voltage, and peak blocking voltage before substituting.