SDQ12-R47-R

Arrays, Signal Transformers Overview

The SDQ12-R47-R is a shielded drum core power inductor from Eaton Electronics, designed for surface-mount applications. It features an inductance of 0.47 µH with a tolerance of ±30%. The component supports dual current ratings depending on configuration: 2.78 A in parallel and 1.39 A in series. DC resistance is specified at 32.5 mΩ for parallel operation and 129.8 mΩ for series operation. It operates within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Shielded drum core construction minimizes electromagnetic interference
• Dual operational modes support parallel or series circuit configurations
• High-temperature stability ensures reliable performance in demanding environments

Arrays, Signal Transformers Applications

• Power supply output filtering
• DC-DC converter input/output stages
• High-current signal processing circuits

Arrays, Signal Transformers Procurement Notes

Verify the specific electrical requirements against the official datasheet before procurement. Confirm whether the design requires parallel or series connection, as this dictates the applicable current rating and DC resistance values. Ensure the PCB footprint matches the physical dimensions provided in the manufacturer's documentation to avoid assembly issues.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded inductor is required for high-current applications. The dual-rating capability allows flexibility in circuit topology. Compare the DCR and saturation characteristics against other SMD inductors to ensure compatibility with the target switching frequency and efficiency targets.

Arrays, Signal Transformers Part Context

This part belongs to Eaton’s SD series of metalized shielded drum core power inductors. These components are engineered for robustness in power electronics. The SDQ variant specifically offers dual-terminal options for flexible integration into various power management architectures.

Arrays, Signal Transformers Replacement Considerations

Consult Eaton’s official substitution guide for verified alternatives. Generic equivalents may not replicate the dual-rating functionality or shielding effectiveness. Verify that any substitute meets the same thermal and current specifications.