DRQ74-220-R

Arrays, Signal Transformers Overview

The DRQ74-220-R is a shielded two-coil inductor array manufactured by Eaton - Electronics Division. It features a ferrite drum core and surface mount construction with non-standard packaging dimensions of 7.60mm x 7.60mm footprint and 4.45mm height. The component provides an inductance of 21.73 µH in parallel connection and 86.92 µH in series configuration, with a tolerance of ±20%. It operates within a temperature range of -40°C to 125°C and has a DC resistance of 92.5 mΩ in parallel mode.

Arrays, Signal Transformers Feature Summary

• Shielded dual-coil architecture for compact power circuit integration
• Ferrite drum core design supporting high-frequency operation
• Configurable connectivity allowing parallel or series electrical arrangements

Arrays, Signal Transformers Applications

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

Arrays, Signal Transformers Procurement Notes

Verify the specific package variant and manufacturing origin against current production notices before ordering. Confirm that the required saturation and RMS current ratings align with the target application's peak load conditions. Ensure compatibility with automated surface mount placement equipment regarding the non-standard outline dimensions.

Arrays, Signal Transformers Selection Notes

Select this component when space-constrained designs require dual-inductor functionality in a single footprint. Evaluate the thermal performance at the intended operating temperature to ensure the 125°C limit is not exceeded. Compare the parallel versus series impedance characteristics to determine the optimal wiring topology for the specific voltage and current requirements.

Arrays, Signal Transformers Part Context

This part belongs to the DRQ series of shielded drum core inductors from Eaton Electronics. The series is designed for high-power density applications requiring robust magnetic shielding to minimize electromagnetic interference. The DRQ74 designation indicates a specific size code within the broader product family, distinguishing it from other pin counts or physical dimensions available in the lineup.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes include other DRQ74 series variants with different inductance values, such as DRQ74-101-R or DRQ74-151-R, provided the electrical parameters match the circuit requirements. Cross-series replacements from other manufacturers require careful verification of footprint, pinout, and saturation current capabilities.