FB20019-4B

Chip Ferrite Bead Overview

The FB20019-4B is an axial ferrite bead from the Bourns FB2000 series, designed for high impedance noise suppression. It features a 450 Ohm impedance rating and supports through-hole mounting with dimensions of 0.236 inches in diameter by 0.394 inches in length (5.99mm x 10.01mm). The component is available in lead-free RoHS compliant versions as well as non-compliant variants.

Chip Ferrite Bead Feature Summary

• High impedance wide-band choke performance
• Axial leaded construction for through-hole integration

Chip Ferrite Bead Applications

• EMI filtering in electronic circuits
• Noise suppression in signal lines

Chip Ferrite Bead Procurement Notes

Verify RoHS compliance status carefully, as sources indicate both compliant and non-compliant variants exist for this part number. Confirm availability as some listings indicate scheduled obsolescence or end-of-life status. Ensure the specific order suffix matches the required environmental standard.

Chip Ferrite Bead Selection Notes

Select this component when axial ferrite beads are required for broadband noise attenuation. Verify that the physical dimensions fit the PCB layout constraints. Consider the FB20019-4B-RC variant if lead-free assembly processes are mandated by regulatory requirements.

Chip Ferrite Bead Part Context

This component belongs to the Bourns FB2000 series of ferrite beads and chips. The series provides various impedance options for EMI suppression applications. The FB20019-4B specifically offers a 450 Ohm characteristic suitable for targeted frequency range filtering.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.