7448990220

Arrays, Signal Transformers Overview

The Würth Elektronik 7448990220 is a surface-mount coupled inductor from the WE-MCRI series. It features a parallel inductance of 22µH with a tolerance of ±20%. The component has a maximum DC resistance of 106mΩ and supports an RMS current of 3.4A, with a saturation current of 8.1A. It utilizes a molded construction for mechanical stability.

Arrays, Signal Transformers Feature Summary

• Molded coupled inductor design for enhanced mechanical robustness
• High saturation current capability relative to rated RMS current
• Surface mount technology compatible footprint

Arrays, Signal Transformers Applications

• DC-DC converter input/output filtering
• Power supply common mode noise suppression
• Automotive electronics power stages

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with Wurth Elektronik or authorized distributors before procurement. Confirm that the package dimensions and pinout match your PCB layout requirements. Ensure thermal management strategies account for the 106mΩ DC resistance under full load conditions to maintain reliability within specified temperature ranges.

Arrays, Signal Transformers Selection Notes

Select this component when high saturation current is required alongside moderate inductance values. The 22µH value suits applications needing effective ripple current reduction. Compare the 106mΩ resistance against alternative parts to balance efficiency and size constraints. Verify compatibility with automated assembly processes due to the SMD form factor.

Arrays, Signal Transformers Part Context

This part belongs to the WE-MCRI series of shielded coupled inductors. These components are designed for high-current applications requiring compact solutions. The series offers various inductance values and current ratings to support diverse power conversion topologies in industrial and automotive environments.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the WE-MCRI series with similar 22µH inductance and comparable current ratings. Ensure any replacement maintains the same package outline and electrical characteristics to avoid redesigning the PCB layout or thermal solution.