PC3SD21NTZDF

Triac, SCR Output Optoisolators Overview

The PC3SD21NTZDF is a phototriac output optoisolator manufactured by Sharp Microelectronics. It features a single channel with an integrated zero-crossing detection circuit for low electromagnetic interference switching. The device provides 5000 Vrms isolation voltage and supports an 800 V blocking voltage. Key electrical parameters include a maximum static dv/dt of 500 V/µs, a maximum trigger current of 3 mA, and a maximum holding current of 3.5 mA. It operates within a temperature range of -30°C to +100°C and is housed in a 6-DIP package.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry for noise-immune AC load control
• High isolation capability rated at 5000 Vrms between input and output
• Robust triac output stage designed for high-voltage AC switching applications

Triac, SCR Output Optoisolators Applications

• Solid-state relays for AC power switching
• Motor control circuits requiring galvanic isolation
• Industrial automation systems with high-voltage interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix NTZDF against official Sharp or Socle Technology datasheets to confirm pinout and packaging dimensions. Confirm RoHS compliance status as indicated in manufacturer documentation. Check for obsolescence notices or lifecycle changes directly from the supplier before finalizing procurement plans.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to minimize electrical noise in AC circuits. Ensure the 800 V blocking voltage meets the peak line voltage requirements of the application. Verify that the 5000 Vrms isolation rating satisfies safety standards for the intended equipment class.

Triac, SCR Output Optoisolators Part Context

This part belongs to the Sharp Microelectronics family of phototriac optocouplers. It is functionally similar to other models like the PC4SD21 series but may differ in specific electrical ratings or packaging configurations. The device represents a standard solution for isolated AC control in industrial environments.

Triac, SCR Output Optoisolators Replacement Considerations

Direct substitutes such as the PC4SD21NTZD share similar triac output characteristics. Verify compatibility regarding isolation voltage and package dimensions before substitution.