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The Ferroxcube BD3.5/1.3/5-3B1 is a solid, free-hanging ferrite core designed for electromagnetic interference suppression and RF applications. It utilizes the 3B1 material composition, which provides medium permeability suitable for wideband operations. The component features a cylindrical geometry with an inner diameter of 1.20 mm, an outer diameter of 3.70 mm, and a length of 3.50 mm. This specific part number identifies the physical dimensions and the magnetic material grade used in its construction.
Verify the exact material grade suffix (3B1) against official datasheets to ensure compatibility with target frequency ranges. Confirm physical dimensions match design requirements. Check RoHS compliance status as per current manufacturer specifications. Ensure sourcing from authorized distributors to guarantee material integrity and traceability.
Select this component when medium permeability is required for broadband noise reduction rather than high-power energy storage. The 3B1 material is optimized for frequencies between 10 and 100 MHz. Consider the small physical size for compact cable assemblies where space is limited. Evaluate if the solid core structure meets mechanical strain requirements compared to split cores.
This part belongs to the Ferroxcube family of soft ferrite cores, specifically the anti-parasitic bead series. These components are engineered to suppress unwanted high-frequency signals without significantly affecting the desired signal path. The naming convention reflects the dimensional profile followed by the specific magnetic material formulation.
Direct substitutes must match the 3B1 material properties and identical physical dimensions (1.2x3.7x3.5 mm). Verify that alternative suppliers offer the same permeability and loss characteristics for the 10-100 MHz band. Cross-referencing with generic MnZn beads requires careful validation of impedance profiles.