B-20L-25

Overview

The KEMET B-20L-25 is a solid cylindrical ferrite core designed for electromagnetic interference (EMI) suppression. It features an inner diameter of 1.00 mm and an outer diameter of 2.50 mm, with a length of 1.20 mm. This component serves as a free-hanging ferrite bead to attenuate high-frequency noise on cables.

Feature Summary

• Solid construction for durable EMI filtering applications
• Cylindrical geometry optimized for small-diameter wires
• Free-hanging design allows easy installation without mounting hardware

Applications

• High-frequency noise suppression on signal cables
• EMI reduction in compact electronic assemblies
• Filtering on wires with diameters near 1.00 mm

Procurement Notes

Verify the physical dimensions against the target cable diameter before integration. Confirm that the specific impedance characteristics meet the circuit's noise attenuation requirements. Ensure the component material is compatible with the operating environment.

Selection Notes

Select this component when space constraints require a miniature ferrite solution. The 1.00 mm inner diameter dictates compatibility with thin gauge wiring. Evaluate the frequency range of the noise source to ensure effective attenuation.

Part Context

This part belongs to KEMET's B-20 series of cable ferrites. These components are engineered for passive EMI suppression in consumer electronics and industrial equipment where compact form factors are necessary for cable management.

Replacement Considerations

Substitute parts must match the 1.00 mm ID, 2.50 mm OD, and 1.20 mm length dimensions. Verify equivalent impedance values at the target frequencies to maintain noise suppression performance.