74279246

Overview

The Würth Elektronik WE-CBF 74279246 is a surface-mount EMI suppression ferrite bead in an 1806 package. It provides 1000 Ohms impedance at 100 MHz with a maximum DC current rating of 1500 mA and a maximum DC resistance of 0.09 Ohms. The component operates between -55°C and +125°C, meets AEC-Q200 automotive qualification standards, and complies with RoHS directives.

Feature Summary

• Provides effective electromagnetic interference suppression through high impedance characteristics
• Automotive-grade reliability certified under AEC-Q200 standards
• Designed for compact surface-mount integration on printed circuit boards

Applications

• Automotive electronic circuits requiring EMI filtering
• High-speed digital signal line noise suppression
• Power supply output filtering for sensitive loads

Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm impedance and current ratings. Ensure the selected variant matches the required package dimensions and thermal specifications for the target application environment.

Selection Notes

Select this component when space-constrained designs require robust EMI filtering in automotive or industrial settings. Consider the 1500 mA current handling capability and low DC resistance to minimize power loss while maintaining effective noise attenuation across the targeted frequency spectrum.

Part Context

This ferrite bead belongs to the WE-CBF series, which offers various impedance values and current ratings in standard SMD packages. The series supports designers in achieving compliance with electromagnetic compatibility requirements for modern electronic systems.

Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives within the WE-CBF family that match the required impedance and current specifications.