74439333012

Fixed Inductors Overview

The Würth Elektronik 74439333012 is a WE-XHMI series shielded surface-mount power inductor. It features a 1.2 µH nominal inductance with ±20% tolerance, tested at 100 kHz. The component has a maximum DC resistance of 15 mΩ and an AEC-Q200 grade rating. Key electrical parameters include a saturation current (Isat) of 11.6 A and a rated current of 10.7 A. The self-resonant frequency is specified at 109 MHz. Physical dimensions are 5.0 mm x 5.0 mm x 2.5 mm.

Fixed Inductors Feature Summary

• Shielded molded construction using metal composite core material to minimize electromagnetic interference.
• High saturation current capability suitable for demanding power conversion applications.
• Low profile design optimized for space-constrained surface mount layouts.

Fixed Inductors Applications

• Point-of-load (POL) voltage regulation modules
• Automotive electronics systems requiring AEC-Q200 compliance
• DC-DC converter output filtering stages

Fixed Inductors Procurement Notes

Verify the specific suffix and date code against the manufacturer's latest datasheet to ensure compatibility with current production standards. Confirm that the requested quantity aligns with standard reel packaging requirements. Cross-reference the ordering number with official distributor catalogs to validate availability and lead times prior to finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when a compact footprint is required alongside high current handling capabilities. The low DC resistance minimizes conduction losses in efficient power paths. Ensure the operating environment remains within the specified temperature range and that the saturation current exceeds the peak load requirements of the target circuit design.

Fixed Inductors Part Context

This part belongs to the WE-XHMI family of high-performance SMD power inductors from Würth Elektronik. The series is characterized by its robust shielding and high thermal stability. It serves as a critical passive component in modern electronic power management architectures, offering reliability for both industrial and automotive sectors.

Fixed Inductors Replacement Considerations

Direct substitutes within the same series include 74439333022 and 74439333033, which offer different inductance values but share identical physical dimensions and mounting characteristics. Verify equivalent Isat and DCR specifications when considering alternative values.