74279220321

Overview

The Würth Elektronik WE-MPSB 74279220321 is a surface-mount EMI suppression ferrite bead in an 0805 package. It provides 320 Ω impedance at 100 MHz and supports a DC current rating of 2500 mA. Designed for automotive applications, it meets AEC-Q200 qualification standards.

Feature Summary

• High current handling capability suitable for power line filtering
• Automotive-grade reliability certified to AEC-Q200 standards
• Compact SMD footprint for dense PCB layouts

Applications

• Automotive electronics power supply filtering
• EMI suppression on high-current data lines
• General-purpose noise reduction in compact electronic assemblies

Procurement Notes

Verify the specific impedance tolerance and DC resistance values against the official manufacturer datasheet before finalizing design integration. Confirm that the AEC-Q200 certification status aligns with your project's automotive quality requirements. Ensure the 0805 package dimensions are compatible with your assembly process capabilities.

Selection Notes

Select this component when high current capacity is required alongside effective high-frequency noise attenuation. The 0805 form factor offers a balance between thermal performance and space constraints. Consider the 2500 mA rating to ensure adequate margin for peak load conditions without saturation.

Part Context

This part belongs to the WE-MPSB series, which focuses on high-current EMI suppression solutions. It complements other Wurth ferrite beads by offering enhanced current handling in a standard surface-mount package, addressing needs in automotive and industrial sectors where both size and current capacity are critical.

Replacement Considerations

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