LCF121002A900TG

Common Mode Chokes Overview

The LCF121002A900TG is a surface mount common mode choke from the Littelfuse LCFA series. It provides 90 Ohms impedance at 100 MHz with a maximum DC resistance of 4 Ohms and a rated current of 100 mA. The component measures 1.27 mm in length, 1 mm in width, and 0.6 mm in height. It operates within a temperature range of -40°C to 85°C and meets AEC-Q200 automotive standards.

Common Mode Chokes Feature Summary

• Surface mount construction for automated assembly
• High-speed differential line filtering capability
• Automotive-grade reliability certification

Common Mode Chokes Applications

• Signal line noise suppression
• Data line filtering
• Common mode noise reduction in high-speed interfaces

Common Mode Chokes Procurement Notes

Verify the specific suffix 'TG' corresponds to the required tape and reel packaging configuration. Confirm that the 100 mA current rating aligns with the target circuit's operational requirements. Ensure the 4 Ohm maximum DC resistance does not cause excessive voltage drop in the application design.

Common Mode Chokes Selection Notes

Select this component when space constraints require a compact 1210 footprint size. Choose this part for applications requiring verified automotive quality through AEC-Q200 compliance. Consider the 90 Ohm impedance profile for effective attenuation of high-frequency common mode interference signals.

Common Mode Chokes Part Context

This component belongs to the LCFA series of common mode chokes designed for signal integrity protection. The series offers various impedance values and current ratings to suit different data bus speeds. The LCF121002A900TG specifically targets high-speed digital lines requiring minimal insertion loss alongside effective noise filtering.

Common Mode Chokes Replacement Considerations

The LCFEA121002A900TG is a documented substitute within the same manufacturer portfolio. Verify compatibility regarding package dimensions and electrical parameters before substitution.