DRQ127-102-R

Arrays, Signal Transformers Overview

The DRQ127-102-R is a dual-winding, shielded drum core power inductor array manufactured by Eaton Electronics Division. It features two coils with an inductance of 1.01 µH in parallel and 4.02 mH in series. The component has a DC resistance (DCR) of 1.75 ohms in parallel and operates within a temperature range of -40°C to 165°C. It is rated for AEC-Q200 automotive grade standards and supports surface mount installation.

Arrays, Signal Transformers Feature Summary

• Dual-coil configuration allowing flexible series or parallel circuit integration
• Shielded drum core design for high power density and electromagnetic interference reduction
• AEC-Q200 qualified for demanding automotive electronic environments
• Extended operating temperature range suitable for harsh thermal conditions

Arrays, Signal Transformers Applications

• Automotive power supply circuits requiring high reliability
• SEPIC converter topologies utilizing dual winding configurations
• High-density power management systems in compact enclosures
• Automotive-grade signal filtering and energy storage applications

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix and packaging format against official distributor catalogs to ensure compatibility with automated assembly lines. Confirm that the AEC-Q200 qualification status meets your project's automotive reliability requirements. Cross-reference the manufacturer part number with authorized supplier databases to avoid counterfeit components. Ensure the selected package variant matches your PCB footprint specifications exactly.

Arrays, Signal Transformers Selection Notes

Select this component when a dual-winding inductor is required for SEPIC or similar multi-phase architectures. The high saturation current and low DCR make it suitable for efficient power conversion. Consider the physical dimensions and mounting type during layout planning. Verify thermal performance under maximum load conditions given the extended temperature rating.

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 applications where space efficiency and magnetic shielding are critical. The DRQ127-102-R specifically offers a unique inductance value optimized for certain automotive power stages, distinguishing it from standard single-coil variants.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the DRQ series with compatible inductance and current ratings. Verify pinout and mechanical dimensions before swapping with other shielded drum core arrays. Ensure any alternative part maintains the same AEC-Q200 certification if used in automotive contexts.