ELM3083(TA)-V

Triac, SCR Output Optoisolators Overview

The ELM3083(TA)-V is a Triac and SCR output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with a zero-crossing detection circuit and a Triac driver IC, packaged in a 4-SOP surface-mount configuration. Key electrical parameters include an isolation voltage of 3750 Vrms, an off-state voltage (Vdrm) of 800 V, and a static dV/dt rating of 1 kV/µs. The device supports a forward current of 60 mA with a forward voltage of 1.5 V and operates within a temperature range of -55°C to +100°C.

Triac, SCR Output Optoisolators Feature Summary

• Integrates a zero-crossing detection circuit for precise AC phase control
• Provides high-voltage insulation between input and output sides
• Combines an infrared LED with a Triac driver IC for efficient signal transmission

Triac, SCR Output Optoisolators Applications

• Solid-state relay drivers
• AC motor speed control circuits
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific package variant and suffix against official Everlight documentation before procurement. Confirm that the 4-SOP form factor matches the target PCB footprint. Ensure the component meets the required isolation voltage standards for the intended safety application. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit sources.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to minimize electromagnetic interference in AC power control systems. The 800 V off-state voltage rating suits standard mains voltage applications. Consider the 4-SOP package for automated surface-mount assembly processes. Verify thermal dissipation requirements relative to the 330 mW power dissipation limit.

Triac, SCR Output Optoisolators Part Context

This part belongs to the ELM30xx series of Triac output optocouplers from Everlight Electronics. It is designed for industrial and consumer electronics requiring galvanic isolation in AC switching applications. The series typically includes variants with different packaging options and voltage ratings to accommodate diverse design constraints.

Triac, SCR Output Optoisolators Replacement Considerations

Potential substitutes include the EL3083S(TA) or other Everlight Triac optocouplers with similar zero-crossing features. Verify pinout compatibility and isolation voltage ratings before substitution. Check datasheets for differences in package dimensions and thermal characteristics.