LCF201202A121TG

Common Mode Chokes Overview

The Littelfuse LCF201202A121TG is a surface-mount common mode choke designed for signal line applications. It features two lines with an impedance of 120 Ohms at 100 MHz and a maximum DC resistance of 4 Ohms. The component supports a maximum current rating of 100mA and operates within a temperature range of -40°C to +85°C.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for differential signal lines
• Compact surface-mount package suitable for space-constrained designs
• Engineered for high-frequency interference attenuation

Common Mode Chokes Applications

• High-speed data interface protection
• Signal line filtering in consumer electronics
• Noise suppression in compact mobile devices

Common Mode Chokes Procurement Notes

Verify the exact part number against official Littelfuse documentation to ensure compatibility with design specifications. Confirm that the operating temperature range and current ratings meet system requirements before procurement. Check for any specific handling or storage instructions provided in the manufacturer's datasheet.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring common mode noise reduction for low-current signal lines. Ensure the PCB footprint matches the SMD-4P package dimensions. Consider the 120 Ohm impedance characteristic at 100 MHz to verify effectiveness against target noise frequencies.

Common Mode Chokes Part Context

This component belongs to Littelfuse's common mode choke series, specifically optimized for surface-mount technology. It is part of a family of filters designed to mitigate electromagnetic interference in compact electronic assemblies without compromising signal integrity.

Common Mode Chokes Replacement Considerations

Consult official Littelfuse substitution guides for verified alternatives. Ensure any replacement maintains identical impedance characteristics, current ratings, and physical dimensions to guarantee circuit compatibility.