FODM3021R1

Triac, SCR Output Optoisolators Overview

The FODM3021R1 is a single-channel phototriac output optoisolator manufactured by onsemi. It features a gallium arsenide infrared LED coupled to a triac output, providing electrical isolation with a maximum isolation voltage of 3750 Vrms. The device operates without a zero-crossing circuit and supports a peak forward current of 60 mA. It offers a high off-state repetitive peak voltage (VDRM) of 400 V and a maximum continuous output current of 70 mA. The component is housed in a MiniFlat surface-mount package.

Triac, SCR Output Optoisolators Feature Summary

• Integrates an infrared emitting diode with a sensitive triac output for robust signal transmission across isolation barriers.
• Provides high-voltage insulation capability rated at 3750 Vrms between input and output circuits.
• Designed for direct driving of triacs and SCRs in applications requiring rapid switching response.
• Utilizes a compact MiniFlat surface-mount package to facilitate automated assembly and space-constrained designs.

Triac, SCR Output Optoisolators Applications

• Industrial motor control systems
• Solid-state relay drivers
• AC power switching circuits
• General-purpose isolation interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm the exact tape and reel packaging configuration required for your manufacturing line. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the selected variant matches the required isolation voltage ratings for your specific safety standards. Cross-reference the datasheet revision date to guarantee access to the most current electrical characteristics and mechanical dimensions.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high-voltage isolation is required for controlling AC loads without zero-crossing detection. The absence of a zero-crossing circuit makes it suitable for phase-control applications where precise firing angle adjustment is necessary. Evaluate the thermal dissipation requirements based on the specified power dissipation limits. Ensure the input current capabilities align with the driving logic levels available in the system design.

Triac, SCR Output Optoisolators Part Context

This device belongs to onsemi’s standard product portfolio of optoisolators designed for industrial and consumer applications. It complements other triac output isolators in the family, offering a balance of performance and cost-effectiveness. The MiniFlat package represents a modern surface-mount solution aimed at improving assembly efficiency compared to traditional dual-in-line packages.

Triac, SCR Output Optoisolators Replacement Considerations

The FODM3021R2 is a documented substitute within the same product family. Verify pinout compatibility and electrical parameter equivalence before substitution. Check for any differences in packaging or lifecycle status between the R1 and R2 variants.