FB20011-3B

Common Mode Chokes Overview

The FB20011-3B is a wide-band choke manufactured by Bourns Inc., designed for high impedance applications. It features an impedance of 430 Ohms at 100 MHz and utilizes a through-hole mounting style. The component has compact axial dimensions measuring 5.99mm x 10.01mm with four leads, providing excellent EMI suppression capability across a wide frequency range.

Common Mode Chokes Feature Summary

• High impedance characteristics
• Excellent EMI suppression capability at wide frequency range

Common Mode Chokes Applications

• EMI suppression in electronic circuits
• Wide-band filtering applications

Common Mode Chokes Procurement Notes

Verify the specific part number suffix, as variants like FB20011-3B-RC exist. Confirm availability status, as some listings indicate scheduled obsolescence or discontinuation. Ensure the through-hole package and lead configuration match the design requirements before procurement.

Common Mode Chokes Selection Notes

Select this component when high impedance and wide-band EMI suppression are required. The through-hole format suits designs accommodating axial leads. Verify that the 430 Ohm impedance at 100 MHz aligns with the target noise frequencies. Consider the physical dimensions for board space constraints.

Common Mode Chokes Part Context

This component belongs to Bourns' wide-band choke series, which emphasizes high impedance and cost-effective EMI suppression. These chokes are distinct from standard ferrite beads by their specific construction for broader frequency attenuation capabilities in industrial and consumer designs.

Common Mode Chokes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Check for direct equivalents within the same manufacturer's wide-band choke lineup if availability is an issue.