DRQ73-4R7-R

Arrays, Signal Transformers Overview

The DRQ73-4R7-R is a shielded two-coil inductor array manufactured by Eaton Electronics. It features a drum core design with surface mount terminals. The component provides an inductance of 4.422 µH in parallel connection and 17.69 µH in series connection, with a tolerance of ±20%. The DC resistance is 25.4 mΩ in parallel and 102 mΩ in series. Rated currents are 3.34 A (parallel) and 1.67 A (series), while saturation currents reach 4.37 A (parallel) and 2.19 A (series). Dimensions are 7.60mm x 7.60mm x 4.45mm.

Arrays, Signal Transformers Feature Summary

• Shielded drum core construction minimizes electromagnetic interference
• Dual-coil configuration supports flexible series or parallel circuit integration
• Surface mount package enables automated PCB assembly processes

Arrays, Signal Transformers Applications

• SEPIC converter input/output filtering
• Power supply output chokes
• DC-DC converter energy storage

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm electrical parameters. Confirm RoHS3 compliance status for environmental regulations. Ensure the ordering code matches the required packaging format. Cross-reference dimensions with the PCB footprint library before finalizing procurement.

Arrays, Signal Transformers Selection Notes

Select this component when a shielded dual-inductor solution is required for power conversion stages. Evaluate the saturation current ratings against peak load conditions. Consider the physical height constraint of 4.45mm for board clearance. Verify thermal performance requirements at the rated operating temperature range.

Arrays, Signal Transformers Part Context

This part belongs to the DRQ series of shielded drum core inductors from Eaton Electronics. The series offers various inductance values optimized for power electronics applications. The DRQ73 variant specifically denotes the 7.6mm square footprint size within the product family.

Arrays, Signal Transformers Replacement Considerations

Consult the official DRQ series datasheet for direct pin-compatible substitutes with matching inductance and current ratings. Verify that any alternative maintains the same shielding characteristics and thermal performance specifications.