DRQ73-331-R

Arrays, Signal Transformers Overview

The DRQ73-331-R is a dual-winding, shielded drum core power inductor from the DRQ series by Eaton Electronics Division. It features a ferrite core and surface mount construction with four terminals. The component provides an inductance of 325.5 µH with a tolerance of ±20%. It supports a maximum DC current (Irms) of 0.21 A and a saturation current (Isat) of 0.22 A. The DC resistance is 3710 mΩ. It operates within a temperature range of -40°C to +125°C and is tested at 100 kHz.

Arrays, Signal Transformers Feature Summary

• Dual-winding architecture for high power density applications
• Shielded drum core design minimizes electromagnetic interference
• Ferrite core material ensures stable magnetic performance
• Surface mount package facilitates automated PCB assembly

Arrays, Signal Transformers Applications

• High-power density power supply circuits
• DC-DC converter input/output filtering
• Automotive electronics requiring robust shielding

Arrays, Signal Transformers Procurement Notes

Verify the specific part number suffix against official Eaton documentation to confirm pin configuration and winding topology. Ensure compatibility with the target PCB footprint dimensions of 7.60mm x 7.60mm. Confirm thermal management requirements align with the 0.21 A RMS rating. Check for RoHS3 compliance status if required by regional regulations.

Arrays, Signal Transformers Selection Notes

Select this component when dual-winding capability and high shielding are required in a compact SMD form factor. Compare the 325.5 µH value and 0.22 A saturation limit against circuit requirements. Consider the 3710 mΩ resistance impact on efficiency. Evaluate the 4-terminal package against available board space and routing constraints.

Arrays, Signal Transformers Part Context

This component belongs to the DRQ series of shielded drum core inductors. It is designed for high-power density applications where space is limited. The series offers various inductance values with dual-winding options. It is manufactured by Eaton Electronics Division under the Coiltronics brand portfolio.

Arrays, Signal Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult Eaton's official cross-reference tools or datasheets for verified alternatives.