LCF121002C900TG

Common Mode Chokes Overview

The Littelfuse LCF121002C900TG is a two-line surface mount common mode choke designed for high-speed differential line filtering. It exhibits an impedance of 90 Ohms at 100 MHz and supports a maximum DC current rating of 150 mA. The component features a maximum DC resistance (DCR) of 4 Ohms per line. It operates within a temperature range of -40°C to +85°C.

Common Mode Chokes Feature Summary

• Engineered for high-speed differential series interfaces to suppress common mode noise
• Surface mount construction suitable for compact signal line filtering applications

Common Mode Chokes Applications

• USB 3.1 interface protection
• High-speed differential signal line filtering
• Common mode noise suppression in electronic circuits

Common Mode Chokes Procurement Notes

Verify the complete part number including suffixes against official Littelfuse documentation to ensure correct specifications. Confirm that the required impedance, current rating, and package dimensions align with your design constraints before procurement.

Common Mode Chokes Selection Notes

Select this component when designing for high-speed differential interfaces requiring specific common mode noise attenuation. Ensure the 150 mA current rating meets the operational requirements of the protected lines and verify compatibility with surface mount assembly processes.

Common Mode Chokes Part Context

This component belongs to the Littelfuse LCF series of common mode chokes. These filters are specifically engineered to meet engineering requirements for high-speed data transmission standards, providing reliable noise suppression while maintaining signal integrity in sensitive electronic environments.

Common Mode Chokes Replacement Considerations

Consult official Littelfuse substitution guides for verified alternatives. Ensure any replacement maintains identical impedance characteristics, current ratings, and physical footprint to preserve circuit performance and board layout integrity.