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The Ferroxcube BD3/1/4-4S2 is a cylindrical ferrite bead designed for electromagnetic interference suppression. It utilizes the proprietary 4S2 magnetic material grade, which provides high permeability and stable impedance characteristics across a broad frequency spectrum. The component features a single-line configuration with a physical dimension of 3.00mm in diameter and 4.00mm in length. Its primary electrical specification is an impedance of 48 Ohms measured at a frequency of 100 MHz. This part is intended for free-hanging installation on cables to attenuate common-mode noise.
Verify that the ordered component matches the exact manufacturer part number BD3/1/4-4S2 to ensure the correct 4S2 material grade. Confirm compliance with RoHS3 directives as specified in official documentation. Check for any specific handling requirements related to the ceramic ferrite construction during assembly processes.
Select this component when a compact cylindrical form factor is required for cable-mounted noise suppression. The 4S2 material offers a balance of high initial permeability and low core losses suitable for general-purpose EMI applications. Ensure the inner diameter accommodates the target cable insulation thickness securely.
This component belongs to the Ferroxcube ferrite beads and chips product category. It is distinct from split cores or snap-on types due to its solid cylindrical design requiring end-of-line installation. The 4S2 material designation indicates specific magnetic properties tailored for high-frequency attenuation performance.
Direct substitutes include other cylindrical ferrite beads with identical dimensions (3x4mm) and similar impedance values at 100 MHz. Verify that alternative materials offer comparable permeability and saturation characteristics for the specific application environment.