SDQ25-221-R

Arrays, Signal Transformers Overview

The SDQ25-221-R is a shielded surface-mount power inductor from Eaton Electronics. It features a ferrite drum core and wire-wound construction with an inductance of 220 µH and a tolerance of ±20%. The component has a maximum DC resistance of 8.23 Ohms and a rated current of 115 mA. It operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive standards.

Arrays, Signal Transformers Feature Summary

• Shielded drum core design for reduced electromagnetic interference
• Automotive-grade reliability compliant with AEC-Q200 standards
• Wide operating temperature range suitable for harsh environments

Arrays, Signal Transformers Applications

• Automotive electronic circuits
• Power supply filtering
• Signal processing applications

Arrays, Signal Transformers Procurement Notes

Verify the specific package dimensions against your PCB footprint, as datasheets may list metric equivalents like 1210. Confirm that the 115 mA rated current aligns with your circuit's peak load requirements. Ensure the supplier provides official documentation to validate the AEC-Q200 certification status for quality assurance purposes.

Arrays, Signal Transformers Selection Notes

Select this component when high inductance values are required in a compact surface-mount form factor. It is suitable for designs needing robust shielding and automotive qualification. Consider the higher DC resistance compared to larger power inductors when calculating voltage drops in low-current signal paths.

Arrays, Signal Transformers Part Context

This part belongs to Eaton's WCLA series of wire-wound inductors. It is designed for applications requiring reliable performance in automotive and industrial sectors. The series emphasizes compactness and shielding efficiency while maintaining strict adherence to automotive quality standards.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes include the WCLA3225V1-221-R from the same manufacturer. Cross-brand alternatives should be evaluated based on matching inductance, current ratings, and physical dimensions to ensure compatibility with existing layouts.