74279224101

Overview

The Würth Elektronik part number 74279224101 is a WE-MPSB series EMI multilayer power suppression bead. It features a 2220 [5550 Metric] case package and provides an impedance of 100 Ohms at 100 MHz. The component supports a DC current rating of 7 A and exhibits approximately 160 Ohms of impedance at 1 GHz.

Feature Summary

• Multilayer construction for effective EMI suppression in power circuits
• Designed for high-current applications with a 7 A rating
• AECQ2 qualified for automotive reliability standards

Applications

• Automotive electronics systems
• Power supply input filtering
• General EMI noise suppression in high-current lines

Procurement Notes

Verify the specific datasheet version to confirm RoHS compliance status and exact dimensional tolerances. Ensure the selected component matches the required 2220 footprint for PCB layout compatibility. Cross-reference the impedance curve against the target frequency spectrum to validate performance requirements.

Selection Notes

Select this component when high current handling up to 7 A is required alongside significant EMI attenuation. The 100 Ohm impedance at 100 MHz suits broadband noise reduction. Consider the 2220 package size constraints during mechanical design and thermal management planning for the target application environment.

Part Context

This component belongs to the WE-MPSB series, which utilizes multilayer technology for power line filtering. Unlike traditional ferrite beads, these offer consistent performance under high DC bias conditions. The series is engineered for robustness in demanding environments, including automotive sectors requiring AECQ2 certification.

Replacement Considerations

No public substitute part numbers are confirmed in the provided documentation.