PC4SD21NTZDF

Triac, SCR Output Optoisolators Overview

The PC4SD21NTZDF is a triac output optoisolator manufactured by SHARP/Socle Technology. It features a 5000 Vrms isolation voltage and operates within a temperature range of -30°C to 100°C. The device includes zero-crossing circuitry for low electromagnetic interference switching. Key electrical parameters include an 800 V voltage rating, a maximum static dv/dt of 500 V/µs, and a peak forward current of 50 mA. It utilizes a 6-DIP (0.300 inch, 7.62 mm) package with five leads.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry for reduced electromagnetic interference during AC load switching
• High isolation capability rated at 5000 Vrms for robust safety barrier performance
• Designed for reliable operation across extended industrial temperature ranges

Triac, SCR Output Optoisolators Applications

• Solid-state relay driver circuits
• AC motor control systems
• Industrial process control interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'NTZDF' against official manufacturer documentation to confirm pinout compatibility and RoHS status. Confirm availability as distribution channels may list discontinued or obsolete variants. Ensure the 6-DIP package dimensions match the target PCB footprint requirements before finalizing procurement decisions.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high-voltage isolation and zero-crossing functionality are required for AC loads. Compare the 5000 Vrms isolation rating against system safety standards. Evaluate the 800 V blocking voltage against peak line voltages. Consider the 6-DIP package constraints relative to available board space and thermal management needs.

Triac, SCR Output Optoisolators Part Context

This part belongs to the Sharp optocoupler family designed for general-purpose isolation. It serves as a bridge between low-voltage control logic and high-voltage AC power stages. The zero-crossing feature distinguishes it from random-phase variants, making it suitable for applications requiring minimal noise generation during turn-on events.

Triac, SCR Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers include MOC3022S-TA and MOC3022M from Lite-On Inc., which offer similar 5kV triac output specifications.