LCFEA201204A101TG

Common Mode Chokes Overview

The LCFEA201204A101TG is a high-speed differential line filter and common mode choke manufactured by Littelfuse Inc. This surface mount component features four lines with a maximum DC current rating of 100 mA and a maximum DC resistance of 4 Ohms. It provides a common mode impedance of 100 Ohms at 100 MHz, with a tolerance of ±25%. The device operates within a temperature range of -40°C to +125°C and has a maximum thickness of 0.8 mm.

Common Mode Chokes Feature Summary

• High-speed differential line filtering capability for signal integrity
• Multi-line architecture supporting four independent signal paths
• Surface mount design optimized for automated assembly processes

Common Mode Chokes Applications

• ESD protection in high-speed data interfaces
• Signal line filtering for electronic control units
• Noise suppression in automotive infotainment systems

Common Mode Chokes Procurement Notes

Verify the specific ordering suffix against official Littelfuse documentation to ensure correct packaging and variant selection. Confirm that the requested component matches the exact part number specifications for impedance and current ratings. Cross-reference datasheets from authorized distributors to validate authenticity and manufacturing origin before finalizing procurement orders.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring multi-line ESD protection and common mode noise suppression. Ensure the operating environment falls within the specified temperature range of -40°C to +125°C. Verify that the board space accommodates the surface mount footprint and height constraints. Consider the 100 mA current rating to prevent saturation during normal operation.

Common Mode Chokes Part Context

This component belongs to the LCFE series of common mode chokes designed for signal line applications. It serves as a circuit protection solution within Littelfuse's automotive and industrial product portfolio. The device integrates filtering and ESD protection functions into a compact surface mount package suitable for dense PCB layouts.

Common Mode Chokes Replacement Considerations

The LCF201204A101TG is identified as a public confirmed substitute part number. Verify electrical compatibility and pin configuration before substitution.