S21ME5PY

Triac, SCR Output Optoisolators Overview

The S21ME5PY is a single-channel phototriac optocoupler manufactured by Sharp Microelectronics. It features a triac output designed for high-voltage isolation applications. The device provides an isolation voltage of 5000Vrms between the input and output circuits. It operates within a temperature range of -30°C to 100°C. The component does not include a zero-crossing circuit, allowing for phase control functionality. It is housed in a 4-SMD surface mount package.

Triac, SCR Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Features a triac output suitable for AC load switching
• Operates across an extended industrial temperature range

Triac, SCR Output Optoisolators Applications

• AC motor speed control systems
• Solid-state relay interfaces
• Industrial process control isolation

Triac, SCR Output Optoisolators Procurement Notes

Verify component status as the S21ME5PY is listed as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors or secondary market suppliers. Ensure RoHS compliance details are reviewed against specific project requirements, as some variants may be non-compliant. Validate lead-free status if required by assembly standards.

Triac, SCR Output Optoisolators Selection Notes

Select this component when phase-angle control of AC loads is required without zero-crossing detection. Consider the 5000Vrms isolation rating for safety-critical applications. Evaluate the surface mount package type for PCB layout constraints. Compare performance with active replacements if long-term supply stability is a priority.

Triac, SCR Output Optoisolators Part Context

This part belongs to Sharp's S21ME series of phototriac couplers. These devices are engineered for European safety standard conformity. The series offers various packaging options including DIP and surface mount configurations. They are commonly used in appliances and industrial equipment requiring reliable AC switching.

Triac, SCR Output Optoisolators Replacement Considerations

Check for compatible active replacements from Sharp or other manufacturers offering similar triac output characteristics and isolation ratings. Verify pinout compatibility and thermal performance before substitution.