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The Wurth Elektronik 7427927110 is a WE-CBF series multilayer SMD ferrite bead designed for EMI suppression in compact circuits. It features a 0402 package with dimensions of 1mm x 0.5mm x 0.5mm. The component exhibits an impedance of 10Ω at 100MHz and supports a DC current rating of 500mA. Its maximum DC resistance is 50mΩ, with an impedance tolerance of ±25%. Certified under AEC-Q200, it ensures reliability for automotive applications.
Verify the specific suffix and material composition against official Wurth datasheets to ensure compatibility with target assembly processes. Confirm that the AEC-Q200 certification status aligns with project requirements. Cross-reference the impedance value at 100MHz and DC current rating during final design validation to prevent signal integrity issues or thermal overload in the application circuit.
Select this component when a small form factor is required for high-frequency noise attenuation. The 10Ω impedance at 100MHz provides effective damping for digital signals. Ensure the PCB layout accommodates the 0402 size constraints. Verify that the 500mA current handling capability meets the operational load of the protected line without causing excessive voltage drop due to the 50mΩ resistance.
This part belongs to the WE-CBF series of multilayer ferrite beads manufactured by Wurth Elektronik. These components are engineered to provide broadband noise suppression in portable and automotive devices. The series utilizes specialized ferrite materials optimized for high-frequency performance while maintaining low DC resistance to minimize power loss in sensitive signal paths.
No public confirmed substitute part numbers are available.