74279224401

Overview

The Würth Elektronik 74279224401 is a WE-MPSB EMI multilayer power suppression bead designed for high-frequency noise attenuation. It exhibits an impedance of 400 Ω at 100 MHz and holds AEC-Q200 qualification for automotive reliability. The component utilizes a multilayer ferrite structure to provide effective electromagnetic interference suppression in compact form factors suitable for dense circuit layouts.

Feature Summary

• Multilayer ferrite construction for enhanced EMI suppression
• AEC-Q200 qualified for automotive applications
• High impedance performance at 100 MHz

Applications

• Automotive electronic systems
• Power supply line filtering
• General EMI suppression circuits

Procurement Notes

Verify the specific datasheet version and AEC-Q200 certification status directly with Wurth Elektronik or authorized distributors before procurement. Ensure the component meets the required impedance specifications for the target application frequency range. Confirm package compatibility and mounting requirements during the sourcing phase.

Selection Notes

Select this component when high-frequency noise suppression is critical in space-constrained designs. The AEC-Q200 qualification makes it suitable for automotive environments requiring robust reliability. Compare impedance characteristics against other multilayer beads to ensure adequate attenuation at the specific interference frequencies present in the system.

Part Context

This part belongs to the WE-MPSB series, which focuses on multilayer power suppression solutions. These components are engineered to replace traditional discrete ferrite beads in applications demanding higher performance in smaller footprints. The series supports modern electronics where size reduction and noise control are equally important design constraints.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.