PC4SD21YXPDH

Triac, SCR Output Optoisolators Overview

The PC4SD21YXPDH is a Triac output optoisolator manufactured by SHARP/Socle Technology. It features a single channel with a PhotoTriac output device and operates within an ambient temperature range of -30°C to +100°C. The component provides 5000Vrms isolation voltage between input and output circuits. Key electrical specifications include a maximum continuous output current of 100 mA, a typical forward voltage of 1.2V, and a maximum DC forward current of 50 mA. It is housed in a 5-SMD, Gull Wing package suitable for surface mount applications.

Triac, SCR Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation via a 5000Vrms barrier between control and load circuits.
• Utilizes a PhotoTriac output configuration for direct AC load switching capabilities.
• Designed for surface mount integration using a compact 5-SMD Gull Wing package.

Triac, SCR Output Optoisolators Applications

• Solid state relay (SSR) modules requiring galvanic isolation
• AC power switching interfaces in industrial control systems
• Motor speed control circuits utilizing phase-angle firing techniques

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix variant against official datasheets to ensure compatibility with required isolation ratings and package dimensions. Confirm RoHS compliance status and moisture sensitivity level prior to assembly planning. Check for active production status as availability may vary by region. Ensure supplier documentation matches the exact part number to avoid functional mismatches in high-voltage isolation designs.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high isolation voltage is critical for safety in AC switching applications. The PhotoTriac output allows direct driving of triacs or SCRs without additional interface circuitry. Consider the operating temperature range and thermal management requirements for enclosed environments. Verify that the peak current handling capabilities meet the specific load demands of the target application design.

Triac, SCR Output Optoisolators Part Context

This device belongs to the broader category of optoisolators designed for signal transmission across isolated boundaries. It integrates an infrared emitting diode on the input side coupled with a light-sensitive triac on the output side. This architecture enables efficient control of AC loads while maintaining electrical separation from low-voltage logic circuits.

Triac, SCR Output Optoisolators Replacement Considerations

Consult manufacturer cross-reference lists for verified substitutes. Ensure replacement parts maintain identical 5000Vrms isolation ratings and compatible SMD footprint dimensions. Validate that alternative components support similar AC load switching frequencies and current capacities.

Triac, SCR Output Optoisolators FAQ

What is the maximum isolation voltage rating?

The component supports an isolation voltage of 5000Vrms between the input LED and the output PhotoTriac.

What type of output device is used?

It utilizes a PhotoTriac output device capable of switching alternating current loads directly.