FODM3021R4V

Triac, SCR Output Optoisolators Overview

The FODM3021R4V is a Triac Output Optocoupler manufactured by Fairchild Semiconductor, now part of onsemi. It features a PhotoTriac output with an isolation voltage of 3750 Vrms and supports one channel. The device operates within a temperature range of -40°C to +100°C and utilizes a 4-Mini-Flat surface mount package. Key electrical parameters include a maximum continuous output current of 70 mA, a forward current of 60 mA, and a peak repetitive off-state voltage of 400 V.

Triac, SCR Output Optoisolators Feature Summary

• Provides high-voltage isolation between control circuits and triac loads
• Integrates a photo-triac output for direct switching applications
• Designed for surface mount assembly in compact form factors

Triac, SCR Output Optoisolators Applications

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

Triac, SCR Output Optoisolators Procurement Notes

Verify the manufacturer source carefully, as Rochester Electronics distributes this component. Confirm RoHS compliance status and lead-free specifications against the specific batch documentation. Ensure the Mini-Flat package variant matches the design footprint requirements before procurement.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high isolation voltage is required for AC load switching. The Mini-Flat package suits space-constrained designs. Verify that the 400V blocking capability meets the circuit's peak voltage demands. Ensure the 70mA output current rating aligns with the driven triac gate requirements.

Triac, SCR Output Optoisolators Part Context

This component belongs to the FODM3021 series of Triac and SCR output optocouplers. It is distributed by Rochester Electronics as a recycled or surplus product line item. The original manufacturer is Fairchild Semiconductor, which has been acquired by onsemi. The device serves as an interface between low-voltage logic and high-voltage AC power stages.

Triac, SCR Output Optoisolators Replacement Considerations

The FODM3021R2 is a documented substitute part number within the same family. Verify pinout compatibility and package dimensions before substitution. Ensure the replacement unit meets the same isolation and current ratings.