LCF121002A750TG

Common Mode Chokes Overview

The Littelfuse LCF121002A750TG is a surface-mount common mode choke designed for signal line noise suppression. It features a two-line configuration with an impedance of 75 Ohms at 100 MHz and a maximum current rating of 100 mA. The component utilizes a 4-lead 0504 (1210 Metric) package, measuring 1.27mm in length, 1.00mm in width, and 0.65mm in height. It operates within a temperature range of -40°C to 85°C.

Common Mode Chokes Feature Summary

• Provides effective common mode noise suppression for high-speed signal lines
• Compact surface-mount design suitable for space-constrained PCB layouts
• Two-line configuration supports differential signaling applications

Common Mode Chokes Applications

• Signal line noise suppression in electronic circuits
• Protection for high-speed data interfaces
• EMI filtering in compact consumer electronics

Common Mode Chokes Procurement Notes

Verify the specific suffix 'A' against the manufacturer's official datasheet to confirm impedance tolerance and material specifications. Ensure the 1210 metric footprint matches the target PCB land pattern. Confirm that the 100 mA current rating meets the operational requirements of the intended circuit without saturation. Check RoHS compliance status if required by project standards.

Common Mode Chokes Selection Notes

Select this component when a low-profile, two-line common mode choke is required for signals operating up to 100 MHz. The 75 Ohm impedance value targets specific frequency ranges for EMI reduction. Ensure the 100 mA current limit aligns with the signal line's maximum expected current. The 1210 package size offers a balance between performance and board space efficiency.

Common Mode Chokes Part Context

This component belongs to the Littelfuse LCF series of passive filters. It is categorized under common mode chokes within the broader family of circuit protection devices. The series is engineered for suppressing electromagnetic interference in sensitive electronic applications, providing reliable performance in compact form factors.

Common Mode Chokes Replacement Considerations

Consult the official Littelfuse documentation for verified substitute part numbers. Cross-reference impedance values, current ratings, and physical dimensions to ensure compatibility. Do not assume interchangeability based on package similarity alone.