7427009

Overview

The Würth Elektronik 7427009 is an EMI suppression axial ferrite bead from the WE-AFB series. It utilizes NiZn ferrite material (3 W 800) to provide broadband noise attenuation in the 25MHz to 100MHz frequency range. The component features a cylindrical shape with an inner diameter of 9.5mm, an outer diameter of 17.5mm, and a height of 28.5mm. It offers an impedance of 210Ω at 100MHz and is designed for use with 26AWG cables.

Feature Summary

• Provides broadband electromagnetic interference suppression using NiZn ferrite technology
• Designed for axial cable wrapping applications to reduce common mode noise
• Complies with RoHS and REACH environmental standards

Applications

• General electronic equipment noise suppression
• Cable wrapping for signal integrity improvement
• EMI reduction on power and data lines

Procurement Notes

Verify the specific material grade and impedance characteristics against the official datasheet before integration. Confirm that the physical dimensions match the available cable gauge requirements. Ensure compliance with project-specific environmental regulations such as RoHS and REACH. Cross-reference the manufacturer part number to avoid confusion with similar series components.

Selection Notes

Select this component when broadband attenuation is required for cables up to 26AWG. The 9.5mm inner diameter accommodates standard wiring harnesses. Consider the 210Ω impedance at 100MHz for typical digital noise frequencies. Evaluate the physical size constraints within the enclosure to ensure adequate clearance for installation.

Part Context

This component belongs to the WE-AFB series of axial ferrite beads manufactured by Würth Elektronik. These parts are engineered for general electronic applications where compact EMI filtering is necessary. The series provides various sizes and materials to suit different cable diameters and frequency spectra.

FAQ

What is the maximum cable diameter supported by this ferrite bead?

The component has an inner diameter of 9.5mm, which supports cables up to approximately 26AWG.

Which frequency range does this component effectively suppress?

It operates effectively in the broadband frequency range from 25MHz to 100MHz.