FOD420TV

Triac, SCR Output Optoisolators Overview

The FOD420TV is a single-channel Triac output optocoupler manufactured by onsemi. It features a PhotoTriac output capable of handling up to 600 V in the off-state and operates with a maximum forward current of 30 mA. The device provides 5000 Vrms isolation voltage between input and output. Key electrical parameters include a maximum trigger current of 2 mA, a typical forward voltage of 1.28 V, and a maximum turn-on time of 60 µs. It is designed for snubberless operation and lacks an integrated zero-crossing circuit. The component is housed in a PDIP-6 package and supports a power dissipation of 500 mW.

Triac, SCR Output Optoisolators Feature Summary

• Snubberless design enables direct triac triggering without external RC networks
• High isolation voltage rating ensures safe signal transfer across potential barriers
• Fast turn-on time supports efficient phase control applications

Triac, SCR Output Optoisolators Applications

• Solid state relays
• Motor control circuits
• Lighting dimmers

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'TV' against the official datasheet to confirm package type and tape/reel specifications. Ensure the absence of a zero-crossing circuit aligns with the application requirements, as this variant differs from zero-crossing models. Confirm RoHS compliance status through the manufacturer's latest material declaration documents before finalizing procurement.

Triac, SCR Output Optoisolators Selection Notes

Select this component when snubberless triac driving is required without zero-crossing detection. Compare the 600 V blocking voltage and 30 mA input current against load requirements. Evaluate the 5000 Vrms isolation rating against system safety standards. Consider the PDIP-6 package constraints for PCB layout and thermal management relative to the 500 mW power dissipation limit.

Triac, SCR Output Optoisolators Part Context

The FOD420TV belongs to the FOD420 series of Triac output optocouplers from onsemi. This series is engineered for industrial and consumer AC switching applications. It serves as a standard solution for isolating low-voltage control logic from high-voltage AC loads. The device complements other optocouplers in the portfolio that may offer different output types or integration features like zero-crossing.

Triac, SCR Output Optoisolators Replacement Considerations

Check for pin-compatible alternatives within the same series that offer zero-crossing functionality if timing precision is critical. Verify equivalent isolation ratings and voltage/current capabilities when substituting with devices from other manufacturers.