S2S3Y

Triac, SCR Output Optoisolators Overview

The S2S3Y is a Triac and SCR output optocoupler manufactured by Sharp Microelectronics. It features a phototriac output with no zero-crossing circuit, housed in a SOP-4 surface-mount package. The device provides an insulation voltage of 3750 Vrms and supports a maximum continuous output current of 50 mA. Key electrical parameters include a forward current of 50 mA, a forward voltage of 1.2 V, and a blocking voltage (VDRM) of 600 V. Operating temperatures range from -30°C to +100°C.

Triac, SCR Output Optoisolators Feature Summary

• Phototriac output configuration without integrated zero-crossing detection circuitry
• High isolation capability rated at 3750 Vrms for safety separation
• Surface-mount SOP-4 packaging suitable for automated assembly

Triac, SCR Output Optoisolators Applications

• Solid-state relay driver circuits
• AC load switching applications
• Industrial control systems requiring galvanic isolation

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix or variant against official Sharp Microelectronics documentation to ensure compatibility with required thermal and electrical specifications. Confirm that the SOP-4 package aligns with PCB footprint constraints. Check for any recent product change notifications regarding material composition or manufacturing location updates before finalizing procurement plans.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high-voltage isolation is required for AC switching without the timing constraints of zero-crossing circuits. Ensure the application current does not exceed the 50 mA continuous rating. Consider the non-zero-crossing nature for phase-control applications where precise firing angles are necessary rather than noise reduction alone.

Triac, SCR Output Optoisolators Part Context

This part belongs to the Sharp Microelectronics Triac and SCR output optocoupler series. These devices are designed for general-purpose isolation in power electronics. The S2S3Y specifically targets applications needing robust voltage isolation and reliable triac triggering in compact surface-mount form factors.

Triac, SCR Output Optoisolators Replacement Considerations

Consult official Sharp Microelectronics substitution guides for verified equivalents. Cross-reference pinout and electrical ratings carefully when considering alternative manufacturers' parts to ensure functional compatibility.