DRQ127-4R7-R

Arrays, Signal Transformers Overview

The DRQ127-4R7-R is a shielded dual-coil surface-mount inductor from the Eaton DR series. It features a drum core wound construction with ferrite material. The component provides an inductance of 4.841 µH in parallel connection and 19.36 µH in series configuration. It has a DC resistance of 9.17 mΩ (parallel) and 36.7 mΩ (series). Rated current is 8.25 A (parallel) and saturation current reaches 16.5 A (parallel). Dimensions are 12.50mm x 12.50mm x 8.00mm, operating between -40°C and 125°C.

Arrays, Signal Transformers Feature Summary

• Dual-winding architecture enabling flexible series or parallel circuit integration
• Shielded drum core design minimizes electromagnetic interference
• High power density suitable for demanding power conversion applications

Arrays, Signal Transformers Applications

• SEPIC converter topologies
• Buck-boost power supply designs
• Multi-phase interleaved power stages

Arrays, Signal Transformers Procurement Notes

Verify RoHS compliance status as datasheets indicate ROHS3 conformity. Confirm package dimensions match PCB footprint requirements. Check lead time availability due to potential manufacturing line changes. Ensure ordering suffix matches required packaging format. Validate electrical parameters against specific circuit load conditions before finalizing procurement.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required within a single footprint. Compare parallel versus series performance metrics based on target current and voltage levels. Evaluate thermal management needs given the high saturation current capabilities. Consider physical size constraints relative to the 12.50mm square profile. Verify compatibility with automated surface-mount assembly processes.

Arrays, Signal Transformers Part Context

This part belongs to the DR Series of high-power shielded drum core inductors manufactured by Eaton Electronics Division. The series is designed for robust performance in power electronics. The DRQ variant specifically denotes a dual-coil array structure. This family supports various inductance values tailored for different power conversion efficiency requirements.

Arrays, Signal Transformers Replacement Considerations

Direct substitute: DR127-4R7-R. Note that the DR127 is a single-coil version, not a direct functional replacement for the dual-coil DRQ127-4R7-R. No other verified public substitutes are listed.