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The BD3/1/4-3C90 is a single-hole ferrite bead manufactured by Ferroxcube, designed for electromagnetic interference suppression. It utilizes the proprietary 3C90 soft ferrite material composition to provide high magnetic permeability and effective noise attenuation across a broad frequency spectrum. The component features a compact cylindrical geometry with an outer diameter of 3mm, an inner hole diameter of 1mm, and a total length of 4mm. This specific physical configuration allows for direct integration onto small-diameter cables or wires without requiring additional mounting hardware.
Verify that the ordered part number strictly matches BD3/1/4-3C90 to ensure the correct 3C90 material grade. Confirm the physical dimensions align with the target cable diameter of 1mm. Check manufacturer documentation for specific impedance characteristics at relevant frequencies to validate performance requirements.
Select this component when space constraints require a low-profile solution for EMI suppression. The 3C90 material offers a balance of permeability and resistivity suitable for general-purpose noise filtering. Ensure the application does not exceed the thermal limits defined in the official datasheet for continuous operation.
This component belongs to the BD series of ferrite beads from Ferroxcube, which are engineered for surface-mount and through-hole applications where minimal footprint is critical. The 3C90 material family is widely recognized for its stability and consistent performance in suppressing radio frequency interference in modern electronic circuits.
Public confirmed substitute part numbers: None.