LCF121002D900TG

Common Mode Chokes Overview

The Littelfuse LCF121002D900TG is a surface-mount common mode choke designed for high-speed differential line filtering. It features a two-channel configuration with an impedance of 90 Ohms at 100 MHz and a maximum DC current rating of 160 mA. The component exhibits a maximum DC resistance of 4 Ohms per line. It operates within a temperature range of -40°C to +85°C and utilizes a compact 1210-4 package footprint.

Common Mode Chokes Feature Summary

• High-speed differential line filtering capability
• Compact surface-mount construction
• Dual-channel noise suppression design

Common Mode Chokes Applications

• High-speed data interface protection
• Differential signal line noise reduction
• Common mode interference suppression in compact electronics

Common Mode Chokes Procurement Notes

Verify the specific impedance tolerance and DC resistance values against the manufacturer's official datasheet prior to procurement. Confirm that the surface-mount package dimensions align with the target PCB layout constraints. Ensure the operating temperature range meets the environmental requirements of the final assembly application.

Common Mode Chokes Selection Notes

Select this component when space-constrained designs require effective common mode noise attenuation for high-speed signals. The 160 mA current rating suits low-power digital interfaces. Evaluate the 90 Ohm impedance profile against the target frequency spectrum to ensure adequate filtering performance without excessive signal degradation.

Common Mode Chokes Part Context

This component belongs to Littelfuse's series of surface-mount common mode chokes. These devices are engineered to suppress electromagnetic interference on differential pairs. The 1210 package size offers a balance between filtering efficacy and board real estate efficiency for modern electronic assemblies.

Common Mode Chokes Replacement Considerations

Consult official Littelfuse documentation for verified substitute part numbers. Do not assume functional equivalence based solely on package compatibility. Verify impedance curves and current ratings match the original design specifications before substitution.