DRQ125-331-R

Arrays, Signal Transformers Overview

The Eaton DRQ125-331-R is a shielded two-coil power inductor array from the DRQ series, designed for surface-mount applications. It features a ferrite drum core and offers configurable inductance values depending on connection topology. In parallel configuration, it provides 332.6 µH with a rated current of 1.06 A and DC resistance of 482 mOhms. In series configuration, it delivers 1.33 mH with a rated current of 530 mA and DC resistance of 1.93 Ohms. The component operates within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture allows flexible circuit design through selectable series or parallel connections.
• Shielded drum core construction minimizes electromagnetic interference and magnetic flux leakage.
• High saturation currents support robust performance in demanding power conversion environments.

Arrays, Signal Transformers Applications

• DC-DC converter output filtering
• SEPIC converter input/output stages
• Point-of-load regulation circuits

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with Eaton Electronics before finalizing procurement. Confirm that the package type matches the intended PCB footprint and reflow soldering profile requirements. Ensure the selected configuration aligns with the system's electrical constraints.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required in a single SMD package to save board space. Evaluate the thermal management needs based on the specified DC resistance and rated currents. Consider the physical dimensions of 12.50mm x 12.50mm x 6.00mm for layout compatibility.

Arrays, Signal Transformers Part Context

This part belongs to the Eaton DRQ series of shielded drum core power inductors. These components are engineered for high-power density applications requiring reliable performance under varying load conditions. The series supports various inductance values to meet diverse circuit specifications.

Arrays, Signal Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Eaton Electronics for direct replacements or equivalent specifications.