LCFE201202A900TG

Common Mode Chokes Overview

The Littelfuse LCFE201202A900TG is a surface-mount common mode choke designed for high-speed differential line filtering. It features two channels with an impedance of 90 Ohms at 100 MHz and a tolerance of 25%. The component supports a maximum DC current of 100 mA and has a maximum DC resistance of 4 Ohms. Operating within a temperature range of -40°C to +85°C, it utilizes a 2012 package measuring 2.0 mm in length, 1.2 mm in width, and 0.6 mm in height.

Common Mode Chokes Feature Summary

• Provides effective suppression of common mode noise with high insertion loss exceeding -24 dB in the GHz range.
• Delivers high differential mode cut-off characteristics suitable for high-speed data transmission lines.
• Integrates ESD protection capabilities alongside common mode noise filtering functions.

Common Mode Chokes Applications

• High-speed differential signal line filtering
• ESD protection for electronic interfaces
• Common mode noise attenuation in GHz frequency ranges

Common Mode Chokes Procurement Notes

Verify the specific impedance value and DC current rating against the official Littelfuse datasheet prior to integration. Confirm that the 2012 package dimensions align with the target PCB footprint requirements. Ensure the operating temperature range meets the environmental specifications of the final application. Cross-reference the manufacturer part number to avoid confusion with similar series components.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring simultaneous ESD protection and high-frequency noise suppression. The low DC resistance minimizes signal loss in power or data lines. Consider the 2012 package size for space-constrained layouts. Validate compatibility with high-speed interface standards requiring significant common mode attenuation above 100 MHz.

Common Mode Chokes Part Context

This component belongs to the LCFE series of common mode chokes from Littelfuse. These devices are engineered specifically for protecting sensitive electronics against electrostatic discharge while maintaining signal integrity. The series offers various impedance values and package sizes to accommodate different bandwidth and physical space requirements in modern electronic assemblies.

Common Mode Chokes Replacement Considerations

Consult the official Littelfuse documentation for verified substitute part numbers within the same series. Ensure any replacement maintains identical impedance characteristics and current ratings. Verify package compatibility before considering alternative manufacturers.