PC3SF21YVZAF

Triac, SCR Output Optoisolators Overview

The PC3SF21YVZAF is a single-channel triac output optocoupler manufactured by Sharp Microelectronics. It features an integrated zero-crossing detection circuit for low electromagnetic interference switching. The device provides high isolation with a rated insulation voltage of 5000 Vrms. Key electrical parameters include a maximum forward current of 50 mA, a forward voltage of 1.2 V, and an off-state peak voltage of 600 V. It supports a maximum continuous output current of 100 mA and has a minimum trigger current of 10 mA. The component operates within a temperature range of -30°C to +100°C and is housed in a PDIP-6 package.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing circuit for reduced noise generation during AC load switching
• High isolation capability with 5000 Vrms insulation voltage rating
• Triac logic output designed for direct interface with microcontrollers or logic circuits

Triac, SCR Output Optoisolators Applications

• Solid state relays for AC power control
• Motor speed control circuits
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'VZAF' against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS status. Confirm availability as distribution channels may list obsolete stock. Ensure the DIP-6 package matches the target PCB footprint requirements before finalizing procurement decisions.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to minimize electrical noise in AC systems. The 600 V off-state voltage suits standard mains voltage applications. Compare the 10 mA trigger current requirement against the driving logic level capabilities. Ensure the 5000 Vrms isolation meets safety standards for the intended equipment classification.

Triac, SCR Output Optoisolators Part Context

This part belongs to the Sharp PC3SF series of triac output optocouplers. The series distinguishes between models with and without zero-crossing circuits. The PC3SF21 variant specifically includes the zero-crossing feature, differentiating it from the PC3SF11 series which lacks this function but shares similar electrical ratings and packaging.

Triac, SCR Output Optoisolators Replacement Considerations

The PC3SF11YVZAF is a related model within the same family but lacks the zero-crossing circuit. Substitution requires verifying if zero-crossing functionality is critical for the application. Other generic triac optocouplers may require significant circuit redesign due to differences in trigger current and isolation ratings.