PC3ST11NSZCF

Triac, SCR Output Optoisolators Overview

The PC3ST11NSZCF is a single-channel phototriac output optocoupler manufactured by Sharp Microelectronics. It features a gallium arsenide infrared LED coupled to a triac output, providing electrical isolation without a zero-crossing circuit. The device is housed in a 4-pin DIP package and supports through-hole mounting. Key electrical specifications include an insulation voltage of 5000 Vrms, a maximum repetitive peak off-state voltage (VDRM) of 600 V, and a maximum continuous output current of 100 mA. The forward current rating is 50 mA with a typical forward voltage of 1.2 V. The component operates within a temperature range of -30°C to +100°C.

Triac, SCR Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between control circuits and AC loads via optical coupling.
• Designed for non-zero-crossing applications allowing precise phase-angle control of AC power.
• Integrates a sensitive gate triac output suitable for driving various AC load types.

Triac, SCR Output Optoisolators Applications

• Solid-state relays for AC switching
• Phase-angle control circuits for motor speed regulation
• Lighting dimmer controls

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'ZCF' against official Sharp Microelectronics documentation to confirm exact packaging and tape-and-reel specifications. Ensure compatibility with RoHS directives if required by your manufacturing process. Cross-reference datasheet parameters such as trigger current and holding current with your circuit design requirements before finalizing procurement decisions.

Triac, SCR Output Optoisolators Selection Notes

Select this component when non-zero-crossing triac output isolation is required for AC load control. Compare the 600 V blocking voltage and 100 mA current capacity against load requirements. Consider the 4-DIP package constraints for PCB layout. Evaluate thermal management needs given the operating temperature range and power dissipation characteristics during conduction.

Triac, SCR Output Optoisolators Part Context

This part belongs to Sharp Microelectronics' PC3S series of phototriac optocouplers. The series is characterized by high isolation voltage and robust performance in industrial AC control applications. The PC3ST11NSZCF variant specifically denotes the non-zero-crossing version with a 4-pin DIP package, distinguishing it from zero-crossing variants or surface-mount alternatives within the same product family.

Triac, SCR Output Optoisolators Replacement Considerations

Consult Sharp Microelectronics official substitution guides for verified equivalents. Generic replacements must match the 600 V VDRM, 100 mA ITO, 5000 Vrms isolation, and 4-DIP package form factor. Verify that substitute components maintain identical non-zero-crossing behavior and trigger current specifications to ensure circuit functionality.

Triac, SCR Output Optoisolators FAQ

Does the PC3ST11NSZCF include a zero-crossing detection circuit?

No, the PC3ST11NSZCF is designed without a zero-crossing circuit, making it suitable for phase-angle control applications where switching at any point in the AC cycle is required.

What is the maximum repetitive peak off-state voltage for this optocoupler?

The maximum repetitive peak off-state voltage (VDRM) is 600 V, allowing it to block high voltages when the triac is in the off state.