0805USB-421MLC

Overview

The Coilcraft 0805USB-421MLC is a surface-mount common mode choke designed for high-speed signal lines. It features an inductance of 23 nH and a maximum DC resistance of 0.12 Ohms. The component operates within a temperature range of -40°C to +85°C. Its physical dimensions are 2.03 mm in length, 1.27 mm in width, and 1.65 mm in height. The device utilizes a ferrite core and is available in cut tape or reel packaging.

Feature Summary

• Provides common mode filtering for high-speed signal integrity
• Utilizes ferrite core construction for effective noise suppression
• Designed for surface-mount PCB integration

Applications

• High-speed signal line protection
• Common mode noise suppression in data interfaces

Procurement Notes

Verify the specific suffix (MLC) against official Coilcraft documentation to confirm exact electrical tolerances and material specifications. Confirm availability status as supply constraints may apply. Ensure the selected package type matches the intended manufacturing process requirements.

Selection Notes

Select this component when low inductance values are required for high-frequency signal paths. Verify that the 23 nH inductance meets the target frequency attenuation requirements. Check that the 0.12 Ohm DCR aligns with power loss constraints for the specific application circuit.

Part Context

This part belongs to the 0805USB series of common mode chokes from Coilcraft. These components are engineered specifically for protecting high-speed digital signals from electromagnetic interference while maintaining signal integrity in compact electronic designs.

Replacement Considerations

Consult official Coilcraft substitution guides for verified equivalents. Cross-reference inductance, DCR, and physical footprint before replacing.