FOD4116V

Triac, SCR Output Optoisolators Overview

The FOD4116V is a zero-crossing triac driver optocoupler manufactured by onsemi (formerly Fairchild Semiconductor). It integrates an infrared emitting diode with a silicon photo-triac output designed for snubberless operation. The device features high efficiency and improved trigger sensitivity, housed in a standard 6-pin DIP package. It provides electrical isolation between control circuitry and high-voltage triac gates, ensuring reliable switching at voltage zero-crossings to minimize electromagnetic interference.

Triac, SCR Output Optoisolators Feature Summary

• Integrates a high-efficiency infrared LED for enhanced trigger sensitivity
• Features a silicon photo-triac output capable of snubberless operation
• Provides internal zero-crossing detection for low EMI switching
• Housed in a standard 6-pin dual in-line package

Triac, SCR Output Optoisolators Applications

• Solid-state relay drivers
• AC power switching applications
• Motor control circuits
• Heater control systems

Triac, SCR Output Optoisolators Procurement Notes

Verify the manufacturer designation carefully, as onsemi acquired Fairchild Semiconductor's discrete and logic product lines. Ensure the datasheet corresponds to the specific V suffix variant if snubberless performance or specific isolation ratings are critical. Confirm package marking and pinout compatibility with existing PCB footprints before finalizing procurement.

Triac, SCR Output Optoisolators Selection Notes

Select this component when snubberless triac driving is required to reduce external passive components. The zero-crossing feature is essential for applications demanding minimal electromagnetic interference during AC switching. Verify that the input current requirements align with the host microcontroller or logic interface capabilities.

Triac, SCR Output Optoisolators Part Context

This part belongs to the FOD4116 series of zero-crossing triac drivers. It is functionally related to variants such as the FOD4116S and FOD4118, which share similar architectural principles but may differ in packaging or specific isolation certifications. The series is widely used in industrial AC control environments.

Triac, SCR Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation. Cross-reference with other zero-crossing triac drivers from onsemi or compatible manufacturers only after verifying pinout, isolation voltage, and trigger sensitivity specifications.