ELT3021M-V

Triac, SCR Output Optoisolators Overview

The ELT3021M-V is a Triac and SCR output optocoupler manufactured by Everlight Electronics Co Ltd. It features a 4-DIP package with one channel and provides an isolation voltage of 5000Vrms. The device has a peak breakdown voltage of 400V and operates within a temperature range of -55°C to +100°C. It is designed for interfacing electronic controls with power triacs in AC applications.

Triac, SCR Output Optoisolators Feature Summary

• Optically couples a GaAs infrared emitting diode to a monolithic silicon random phase photo Triac
• Provides high isolation voltage between input and output terminals
• Designed for controlling resistive and inductive loads in AC operations

Triac, SCR Output Optoisolators Applications

• Solenoid and valve controls
• Lamp ballasts
• Static AC power switches
• Interfacing microprocessors to 115 to 240Vac peripherals
• Incandescent lamp dimmers

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix and package configuration against official Everlight documentation to ensure compatibility with design requirements. Confirm RoHS compliance status and lead times through authorized distributors, as availability may vary. Cross-reference part numbers with alternative series if this specific variant is discontinued or limited in supply.

Triac, SCR Output Optoisolators Selection Notes

Select this component for applications requiring random-phase TRIAC triggering without zero-crossing circuitry. Ensure the 400V off-state voltage rating meets the peak line voltage requirements. Verify that the 5000Vrms isolation capability satisfies safety standards for the intended interface between low-voltage control logic and high-voltage AC loads.

Triac, SCR Output Optoisolators Part Context

This device belongs to the ELT302X series, which includes similar random-phase TRIAC drivers. It shares functional similarities with other Everlight optoisolators but is distinct in its specific pinout and electrical ratings. The series is commonly used in industrial and consumer electronics for AC power switching applications.

Triac, SCR Output Optoisolators Replacement Considerations

Consider the ELT3021M(TD)-V or ELT3021M(TU)-V as potential substitutes if available, as they belong to the same family. Verify pin compatibility and electrical parameters before substitution. Check for any changes in packaging or certification status that might affect integration.