DRQ74-331-R

Arrays, Signal Transformers Overview

The DRQ74-331-R is a shielded two-coil inductor array manufactured by Eaton - Electronics Division. It features a non-standard surface mount package measuring 7.60mm x 7.60mm x 4.45mm. The component provides a parallel inductance of 335.6 µH with a DC resistance of 1.41 Ohms and a rated current of 450 mA. In series configuration, it offers 1342 µH inductance, 5.66 Ohms DC resistance, and a rated current of 224 mA. The device operates within a temperature range of -40°C to 125°C and complies with RoHS3 standards.

Arrays, Signal Transformers Feature Summary

• Dual coil architecture allowing configurable series or parallel connections
• Shielded drum core construction for electromagnetic interference reduction
• Surface mount design suitable for automated assembly processes

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Power supply filtering stages
• Signal conditioning networks

Arrays, Signal Transformers Procurement Notes

Verify the manufacturer part number DRQ74-331-R against official Eaton documentation to ensure authenticity. Confirm that the specific ordering suffix matches the required tolerance and packaging format. Check for recent Product Change Notifications regarding manufacturing lines or material composition updates before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when a compact dual-inductor solution is required for power conversion topologies. Ensure the circuit design accommodates the specific saturation currents and DC resistance values for both series and parallel configurations. Verify that the physical footprint dimensions fit the available printed circuit board space constraints.

Arrays, Signal Transformers Part Context

This component belongs to the DRQ series of shielded drum core inductors from Eaton. The series is designed for applications requiring high reliability and low profile. The DRQ74-331-R specifically utilizes a wirewound technology to achieve its specified inductance and current ratings within a standardized small outline package.

Arrays, Signal Transformers Replacement Considerations

Consult Eaton technical support for verified substitute part numbers. Do not assume cross-compatibility with other manufacturers' inductor arrays without verifying pinout, electrical parameters, and mechanical dimensions.