LCFA201202A900TG

Common Mode Chokes Overview

The Littelfuse LCFA201202A900TG is a surface-mount common mode choke designed for high-speed differential line filtering. It features a dual-channel configuration with a nominal impedance of 90 Ohms and a tolerance of 25%. The component supports a maximum DC current of 100 mA and exhibits a maximum DC resistance of 4 Ohms. It operates within a temperature range of -40°C to +125°C and is packaged in a 2012-4 SMD footprint.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for high-speed differential data lines
• Automotive-grade reliability certified under AEC-Q200 standards
• Compact surface-mount design suitable for space-constrained PCB layouts

Common Mode Chokes Applications

• Automotive infotainment systems
• High-speed USB interface protection
• Differential signaling in automotive control modules

Common Mode Chokes Procurement Notes

Verify the specific suffix 'TG' confirms tape-and-reel packaging when ordering. Ensure the procurement documentation explicitly references AEC-Q200 qualification for automotive compliance. Cross-reference the manufacturer part number against official Littelfuse databases to confirm the 90 Ohm impedance rating and 100 mA current handling capabilities before finalizing supply agreements.

Common Mode Chokes Selection Notes

Select this component for applications requiring robust common mode rejection in differential signal paths. The 90 Ohm impedance value is optimized for specific high-speed data rates. Verify that the 100 mA current rating exceeds the operational requirements of the target circuit. The wide operating temperature range ensures stability in harsh automotive environments.

Common Mode Chokes Part Context

This component belongs to the Littelfuse LCFA series of common mode chokes. The series offers various impedance values and package sizes tailored for different data line speeds. The LCFA201202A900TG specifically utilizes the 2012 metric package, providing a balance between electrical performance and board space efficiency for modern electronic assemblies.

Common Mode Chokes Replacement Considerations

Compatible substitutes include other Littelfuse LCFA series parts with matching 90 Ohm impedance and 2012 package dimensions, such as LCFA121002A900TG if size constraints allow. Verify pin compatibility and thermal characteristics when swapping components.