0805USBF-421MRC

Overview

The Coilcraft 0805USBF-421MRC is a surface-mount common mode choke designed for high-speed signal lines. It features an inductance of 28 nH and a maximum DC resistance of 0.11 ohms. The component supports a maximum continuous current of 500 mA and provides an impedance of 140 ohms at 3 GHz. It operates within a temperature range of -40°C to +125°C and utilizes ferrite core material.

Feature Summary

• Engineered specifically for filtering common mode noise on high-speed signal paths
• Utilizes ferrite core technology for effective electromagnetic interference suppression
• Constructed with surface mount terminals for automated PCB assembly

Applications

• High-speed data interface protection
• Signal line noise filtering
• Common mode noise suppression in electronic circuits

Procurement Notes

Verify the specific suffix MRC against official Coilcraft documentation to confirm packaging and tape specifications. Confirm availability status as supply may be limited or restricted. Ensure the component meets required RoHS compliance standards for your manufacturing process before finalizing procurement orders.

Selection Notes

Select this component when low inductance is required for high-frequency signal integrity. The 28 nH value suits applications needing minimal insertion loss while providing necessary noise attenuation. Verify that the 500 mA current rating aligns with the operational requirements of the target circuit design.

Part Context

This part belongs to the 0805USBF series of common mode chokes from Coilcraft. The series offers various inductance values tailored for different signal speeds. The 0805 package size allows for compact board layouts in modern electronic devices requiring efficient EMI management.

Replacement Considerations

Consult official Coilcraft substitution guides for verified alternatives. Cross-reference inductance, current rating, and impedance characteristics to ensure functional equivalence without modifying the circuit design.