DRQ127-221-R

Arrays, Signal Transformers Overview

The DRQ127-221-R is a shielded two-coil inductor array manufactured by Eaton - Electronics Division. It features a surface-mount package with dimensions of 12.50mm x 12.50mm and a height of 8.00mm. The component provides an inductance of 22.93 µH in parallel connection and 91.72 µH in series connection, with a tolerance of ±20%. The DC resistance (DCR) is 39.1 mΩ in parallel and 157 mΩ in series. Rated currents are 4 A for parallel and 2 A for series configurations. Saturation currents reach 7.57 A in parallel and 3.78 A in series. It operates within a temperature range of -40°C to 125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil configuration allowing flexible series or parallel circuit integration
• Shielded drum core construction minimizes electromagnetic interference
• High saturation current capability supports demanding power applications

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Power supply input filtering
• Signal processing arrays

Arrays, Signal Transformers Procurement Notes

Verify the manufacturer part number DRQ127-221-R against official Eaton documentation to ensure authenticity. Confirm that the specific ordering suffix matches the required electrical parameters. Check RoHS compliance status and moisture sensitivity level requirements before procurement. Ensure storage conditions align with the specified operating temperature range to maintain component integrity.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required in a compact surface-mount footprint. Consider the parallel versus series inductance values based on the target circuit topology. Evaluate the saturation current limits against peak load requirements. Verify thermal performance within the -40°C to 125°C operational range for the intended environment.

Arrays, Signal Transformers Part Context

This component belongs to the DRQ series of shielded drum core inductors from Eaton. It is designed for high-power applications requiring robust magnetic shielding. The series offers various inductance options while maintaining consistent physical dimensions for standardized PCB layouts.

Arrays, Signal Transformers Replacement Considerations

Consult the official DRQ Series datasheet for cross-reference information. Verify pin compatibility and electrical specifications before substituting with other manufacturers' parts.