DRQ74-330-R

Arrays, Signal Transformers Overview

The DRQ74-330-R is a shielded two-coil inductor array manufactured by Eaton Electronics Division. It features a drum core, wire-wound construction with a ferrite magnetic core. The component provides an inductance of 33.92 µH in parallel connection and 135.7 µH in series connection, with a tolerance of ±20%. It supports a rated current of 3.23 A in parallel and 1.61 A in series, while saturation currents reach 6.22 A (parallel) and 3.11 A (series). The DC resistance is 60 mΩ in parallel and 241 mΩ in series. Designed for surface mount installation, it operates within a temperature range of -40°C to 125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture enabling flexible series or parallel circuit configurations
• Shielded drum core design minimizes electromagnetic interference
• High saturation current capability supports demanding power applications

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Power supply input filtering
• DC-DC converter stages

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix and manufacturer part number against official Eaton documentation to ensure correct electrical characteristics. Confirm package dimensions and mounting style match the target PCB layout. Check RoHS compliance status and moisture sensitivity level requirements for the assembly process. Ensure the selected variant meets the thermal management needs of the final application environment.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required in a compact surface-mount footprint. Evaluate whether series or parallel connection modes best suit the system's impedance and current handling requirements. Consider the physical height constraints and thermal dissipation capabilities relative to the enclosure design. Verify that the shielding characteristics meet the electromagnetic compatibility standards of the intended electronic device.

Arrays, Signal Transformers Part Context

This component belongs to the DRQ series of shielded drum core inductors from Eaton Electronics Division. The series is designed for high-power applications requiring robust magnetic shielding and stable performance across wide temperature ranges. These arrays are commonly utilized in modern power electronics where space efficiency and signal integrity are critical design factors.

Arrays, Signal Transformers Replacement Considerations

Consult official Eaton datasheets for verified substitute part numbers within the DRQ series. Ensure any replacement maintains identical pinout, inductance values, and current ratings. Verify mechanical compatibility including footprint dimensions and mounting height before integration into existing designs.