DRQ127-821-R

Arrays, Signal Transformers Overview

The DRQ127-821-R is a shielded drum core power inductor array manufactured by Eaton - Electronics Division. It features two coils with a parallel inductance of 818.1 µH and a series inductance of 3.272 mH. The component has a parallel DC resistance of 1.47 ohms and a series DC resistance of 5.88 ohms. Rated current is 650 mA in parallel and 325 mA in series, while saturation currents are 1.27 A (parallel) and 633 mA (series). It operates within a temperature range of -40°C to 125°C and utilizes a surface mount package measuring 12.50mm x 12.50mm x 8.00mm.

Arrays, Signal Transformers Feature Summary

• Dual-coil configuration allowing flexible series or parallel circuit integration
• Shielded drum core construction for reduced electromagnetic interference
• High power density design suitable for compact surface mount applications

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Power supply input filtering
• DC-DC converter energy storage

Arrays, Signal Transformers Procurement Notes

Verify the specific manufacturer part number against official Eaton documentation to ensure correct specifications. Confirm that the required inductance and current ratings align with the target application's electrical demands. Check for any recent product change notices regarding manufacturing lines or packaging updates before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when a dual-winding inductor with high inductance values is required in a compact footprint. Consider the significant difference between parallel and series current ratings to match the intended connection topology. Ensure the physical dimensions fit the available board space and that the operating temperature range meets environmental requirements.

Arrays, Signal Transformers Part Context

This component belongs to the DRQ series of shielded drum core inductors from Eaton - Electronics Division. The series offers various inductance values optimized for power electronics. The DRQ127-821-R specifically provides higher inductance compared to lower-value variants in the same family, catering to different filtering and energy storage needs.

Arrays, Signal Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.