ELM3023(TA)

Triac, SCR Output Optoisolators Overview

The ELM3023(TA) is a Triac output optocoupler manufactured by Everlight Electronics Co Ltd. It features a random-phase triac output suitable for AC power control applications. The device provides electrical isolation with a rated isolation voltage of 3750Vrms. It operates within a temperature range of -40°C to 100°C. Key electrical parameters include a forward voltage of 1.2V, an off-state voltage of 400V, and an on-state current of 70mA. The component is available in a 4-SOP surface mount package.

Triac, SCR Output Optoisolators Feature Summary

• Random-phase triac output configuration
• High isolation voltage rating
• Surface mount packaging

Triac, SCR Output Optoisolators Applications

• AC motor speed control
• Solid state relays
• Lighting dimmers

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix designation when sourcing, as variations such as (TB) or (TA)-V exist with different packaging or minor parameter distinctions. Confirm RoHS compliance status through official documentation prior to integration. Ensure the selected variant matches the required isolation voltage and thermal specifications for the target application environment.

Triac, SCR Output Optoisolators Selection Notes

Select this component for applications requiring random-phase triggering without zero-crossing circuitry. Compare against zero-crossing variants if noise immunity is critical. Verify that the 70mA on-state current meets load requirements. Check package compatibility during PCB layout design.

Triac, SCR Output Optoisolators Part Context

This part belongs to the ELM3023 series of Triac output optocouplers. It is distinct from zero-crossing models like the ELM3043. The series is designed for general AC switching tasks where precise timing relative to the AC waveform phase is not required.

Triac, SCR Output Optoisolators Replacement Considerations

Direct substitutes may include other random-phase triac optocouplers from manufacturers such as Toshiba or Vishay. Verify pinout compatibility and isolation voltage ratings before substitution.