DRQ73-821-R

Arrays, Signal Transformers Overview

The DRQ73-821-R is a shielded surface-mount power inductor from Eaton Electronics, featuring a ferrite core and drum winding. It provides an inductance of 820 µH with a tolerance of ±20%. The component supports an RMS current of 0.134 A and a saturation current of 0.14 A. Its maximum DC resistance is 3.93 Ω. Designed for PCB mounting, it operates within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Shielded construction minimizes electromagnetic interference
• Ferrite core material ensures stable magnetic performance
• Drum winding architecture supports high-frequency applications

Arrays, Signal Transformers Applications

• Power supply filtering circuits
• DC-DC converter input/output stages
• Signal processing noise suppression

Arrays, Signal Transformers Procurement Notes

Verify the specific electrical parameters against the official Eaton datasheet before integration. Confirm package dimensions and pin configuration match the target PCB footprint. Ensure thermal management strategies align with the specified current ratings and operating temperature limits to maintain reliability.

Arrays, Signal Transformers Selection Notes

Select this component when high inductance values are required in a compact surface-mount form factor. Consider the low saturation current rating for circuit design constraints. Evaluate the physical size and terminal type against available board space and assembly requirements.

Arrays, Signal Transformers Part Context

This part belongs to the DRQ series of shielded power inductors manufactured by Eaton Electronics. The series utilizes ferrite cores and is designed for general-purpose power electronics applications requiring reliable inductive components in surface-mount configurations.

Arrays, Signal Transformers Replacement Considerations

Consult Eaton's official documentation for verified substitute part numbers within the DRQ series or equivalent product lines. Cross-referencing requires matching inductance, current ratings, and physical dimensions.