LCF121002B900TG

Common Mode Chokes Overview

The Littelfuse LCF121002B900TG is a surface mount common mode choke designed for high-speed differential data lines. It features two lines with an impedance of 90 Ohms at 100 MHz and a maximum DC resistance of 4 Ohms. The component supports a maximum DC current rating of 130 mA and operates within a temperature range starting from -40°C. This filter effectively suppresses common mode noise while maintaining signal integrity for high-speed applications.

Common Mode Chokes Feature Summary

• Effective suppression of common mode noise frequencies ranging from hundreds of megahertz to gigahertz
• Minimal impact on high-speed differential data line signals
• Surface mount design suitable for compact electronic assemblies

Common Mode Chokes Applications

• High-speed differential data line filtering
• Common mode noise suppression in communication interfaces
• Signal integrity protection in electronic circuits

Common Mode Chokes Procurement Notes

Verify the specific part number LCF121002B900TG against manufacturer datasheets to confirm electrical parameters such as impedance, current rating, and package dimensions. Ensure compatibility with your circuit's thermal and electrical requirements before procurement.

Common Mode Chokes Selection Notes

Select this component when filtering common mode noise in high-speed differential lines without affecting signal quality. Consider the 130mA current rating and 4 Ohm DCR limits to ensure proper operation within your system's power and signal constraints.

Common Mode Chokes Part Context

This component belongs to the LCFA121002B series of common mode noise filters by Littelfuse. These filters are engineered for suppressing unwanted noise in the hundred megahertz to gigahertz range, making them suitable for modern high-speed digital applications requiring effective EMI mitigation.

Common Mode Chokes Replacement Considerations

Consult official Littelfuse documentation for verified substitute part numbers. Do not assume cross-compatibility with other manufacturers' components without verifying electrical specifications and physical dimensions.