LCFE121002A900TG

Common Mode Chokes Overview

The Littelfuse LCFE121002A900TG is a surface-mount common mode choke designed for high-speed differential line filtering. It features a 1210 metric package with dimensions of 1.27 mm length, 1 mm width, and 0.6 mm height. The component provides an impedance of 90 Ohms at 100 MHz with a maximum DC resistance of 4 Ohms per line. Rated for a current of 100 mA, it operates within a temperature range of -40°C to 125°C and meets AEC-Q200 standards.

Common Mode Chokes Feature Summary

• High insertion loss exceeding -31 dB for common mode noise attenuation in the GHz range
• High differential mode cutoff frequency up to 9.02 GHz
• Guaranteed high-temperature soldering capability at 260°C for 10 seconds

Common Mode Chokes Applications

• High-speed differential signal line filtering
• Automotive electronics requiring AEC-Q200 compliance
• Common mode noise suppression in compact surface-mount designs

Common Mode Chokes Procurement Notes

Verify the specific suffix against official Littelfuse documentation to confirm exact impedance tolerance and packaging configuration. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity and traceability. Confirm that the delivered components match the specified AEC-Q200 qualification status required for automotive or high-reliability applications.

Common Mode Chokes Selection Notes

Select this component when space constraints require a 1210 footprint with low profile. It is suitable for circuits demanding high-frequency noise suppression without significant signal degradation. Consider the 100 mA current rating and 4 Ohm DCR limits during design integration to ensure compatibility with the target differential pair specifications.

Common Mode Chokes Part Context

This part belongs to the Littelfuse LCFE series of common mode chokes. The series offers various impedance values while maintaining a consistent ultra-thin form factor. These components are engineered for applications requiring effective noise reduction in high-density printed circuit board layouts where vertical space is limited.

Common Mode Chokes Replacement Considerations

Consult Littelfuse official substitution guides for compatible parts within the LCFE series. Verify that alternative components match the 1210 package dimensions and 90 Ohm impedance specification. Ensure any substitute maintains the same thermal and electrical performance characteristics.