DRQ73-1R5-R

Arrays, Signal Transformers Overview

The DRQ73-1R5-R is a shielded two-coil inductor array manufactured by Eaton Electronics Division. It features a surface-mount drum core design with dimensions of 7.60mm x 7.60mm x 3.55mm. The component provides an inductance of 1.5 µH per coil, resulting in 6.0 µH for series connection and 0.75 µH for parallel connection. It has a DC resistance of 13.2 mΩ in parallel configuration and supports rated currents of 3.26 A (parallel) and 1.63 A (series). Saturation currents are 4.36 A (parallel) and 2.18 A (series).

Arrays, Signal Transformers Feature Summary

• Dual-winding shielded construction minimizes electromagnetic interference.
• Supports flexible circuit topology through selectable series or parallel coil connections.
• Surface-mount package enables automated assembly processes.

Arrays, Signal Transformers Applications

• SEPIC converter input/output filtering
• Multi-phase power supply interleaving
• DC-DC converter common mode chokes

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix 'R' indicates tape-and-reel packaging when ordering. Confirm that the manufacturer part number matches the required electrical parameters exactly. Check RoHS3 compliance status for environmental regulations. Ensure the supplier is an authorized distributor to guarantee authenticity. Review the datasheet for any recent product change notices affecting specifications.

Arrays, Signal Transformers Selection Notes

Select this component when dual isolated windings are required within a compact footprint. Compare saturation current ratings against peak load conditions. Evaluate DC resistance impact on overall efficiency. Consider thermal performance at maximum operating temperature. Verify compatibility with PCB land pattern dimensions.

Arrays, Signal Transformers Part Context

This part belongs to the DRQ series of shielded drum core inductors from Eaton. These components are designed for high-power density applications requiring low profile and robust magnetic shielding. The series offers various inductance values to suit different power conversion needs.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the DRQ series with matching inductance and current ratings. Verify pinout and mechanical dimensions for board compatibility. Ensure equivalent shielding effectiveness and thermal characteristics.

Arrays, Signal Transformers FAQ

What is the difference between series and parallel connection modes?

Series connection increases total inductance to 6.0 µH with lower current handling, while parallel connection reduces inductance to 0.75 µH with higher current capacity.

Is the DRQ73-1R5-R suitable for high-frequency switching applications?

Yes, the shielded drum core design supports high-frequency operation typical in modern DC-DC converters, with testing conducted at 100 kHz.