FB20020-4B-RC

Chip Ferrite Bead Overview

The FB20020-4B-RC is a wide band choke from the Bourns FB2000 series, featuring axial leads for through-hole mounting. It has a cylindrical ferrite core with dimensions of 5.99 mm outer diameter and 10.01 mm length. The component exhibits an impedance of 330 Ohms at 100 MHz according to DigiKey data, while other sources cite 410 Ohms at the same frequency. It supports a maximum current rating of 5A and includes 2.5 coil turns.

Chip Ferrite Bead Feature Summary

• Cylindrical ferrite core construction designed for wide band noise suppression
• Axial leaded terminal configuration suitable for through-hole PCB assembly
• RoHS compliant manufacturing process

Chip Ferrite Bead Applications

• Electromagnetic interference (EMI) filtering in electronic circuits
• Common mode noise suppression on signal lines
• Wide band choke applications requiring axial mounting

Chip Ferrite Bead Procurement Notes

Verify the specific impedance value required for your design, as public sources list both 330 Ohms and 410 Ohms at 100 MHz for this part number. Confirm that the 5A current rating meets your operational requirements. Note that the part status is listed as obsolete by some distributors; ensure availability aligns with production timelines before finalizing procurement plans.

Chip Ferrite Bead Selection Notes

Select this component when axial mounting is preferred over surface mount alternatives. Ensure the circuit operates within the 5A current limit to prevent saturation or overheating. Verify compatibility with the target impedance specification, considering the discrepancy between 330 Ohm and 410 Ohm ratings found in different catalogs. Check RoHS compliance if environmental regulations are mandatory for the end product.

Chip Ferrite Bead Part Context

This component belongs to the Bourns FB2000 series of ferrite beads and chips. It is manufactured by Bourns Inc., also referenced as Bourns JW Miller. The series offers various impedance values and package types, with this specific model providing a through-hole solution for noise suppression tasks.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult manufacturer cross-reference guides for equivalent wide band chokes with similar axial dimensions and impedance characteristics.