749196228

Overview

The Würth Elektronik 749196228 is a WE-HC series high-current shielded wire-wound inductor designed for power supply applications. It features a composite core construction and a low-profile SMD package measuring 10.5 x 10.5 x 5.3 mm. The component offers an inductance of 10 µH with a typical DC resistance of 1.2 mΩ. It supports a saturation current of 14 A and a thermal current rating of 10 A, ensuring stable performance under high-load conditions while minimizing electromagnetic interference through its fully shielded design.

Feature Summary

• Fully shielded wire-wound construction minimizes magnetic field emissions
• Composite core material provides high saturation current capability
• Low profile surface-mount package facilitates automated assembly

Applications

• Point-of-load (POL) converters
• DC-DC buck converter output filtering
• High-current power distribution modules

Procurement Notes

Verify the complete order code against the manufacturer's official documentation to ensure correct tolerance and packaging specifications. Confirm that the requested variant matches the required inductance value and current ratings for your specific circuit design. Cross-reference the datasheet revision date to ensure compliance with current manufacturing standards and lead time estimates provided by authorized distributors.

Selection Notes

Select this component when space constraints require a low-profile solution alongside high current handling capabilities. Evaluate the saturation current and thermal current limits against peak load requirements to prevent performance degradation. Ensure the footprint compatibility with existing PCB layouts and verify that the operating temperature range aligns with the environmental conditions of the target application.

Part Context

This part belongs to the WE-HC series, which focuses on high-current performance within a compact form factor. The series utilizes advanced composite core materials to achieve superior saturation characteristics compared to traditional iron powder cores. This specific model represents a standard value within the broader portfolio of shielded power inductors offered by Würth Elektronik for industrial and consumer electronics.

Replacement Considerations

Consult the official cross-reference list or equivalent product selection guide for direct substitutes. Verify that alternative components match the critical parameters of 10 µH inductance, 14 A saturation current, and the 10.5 x 10.5 mm footprint. Ensure any replacement maintains similar shielding effectiveness and DC resistance values to preserve circuit efficiency.