LCF121002A650TG

Common Mode Chokes Overview

The Littelfuse LCF121002A650TG is a surface-mount common mode choke designed for high-speed differential line filtering. It features a 1210 (0504 metric) package with four leads and a maximum height of 0.5 mm. The component provides an impedance of 65 Ohms at 100 MHz and supports a maximum current rating of 100 mA. Its maximum DC resistance is 4 Ohms, and it operates within a temperature range of -40°C to +85°C.

Common Mode Chokes Feature Summary

• High-speed differential line filtering capability
• Compact surface-mount construction in a 1210 package
• Dual-line configuration for common mode noise suppression

Common Mode Chokes Applications

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

Common Mode Chokes Procurement Notes

Verify the complete part number including the suffix TG to ensure correct tape-and-reel packaging specifications. Confirm that the 1210 footprint dimensions and 0.5 mm height align with your PCB design constraints. Ensure the 100 mA current rating meets the operational requirements of your specific circuit application before procurement.

Common Mode Chokes Selection Notes

Select this component when space-constrained designs require effective common mode noise reduction on high-speed lines. The 65 Ohm impedance at 100 MHz makes it suitable for frequencies where moderate attenuation is sufficient. Consider the 4 Ohm DCR limit if voltage drop across the filter is a critical design parameter for low-power signals.

Common Mode Chokes Part Context

This component belongs to the Littelfuse LCF series of common mode chokes, which are engineered for surface-mount applications. The series offers various impedance values and current ratings to suit different signal integrity needs. The LCF121002A650TG specifically targets applications requiring a balance between size, current handling, and noise filtering performance in a standard 1210 footprint.

Common Mode Chokes Replacement Considerations

Direct substitutes must match the 1210 package, 65 Ohm impedance at 100 MHz, and 100 mA current rating. Verify pin compatibility and thermal characteristics. Cross-reference with other manufacturers' 1210 common mode chokes offering identical electrical specifications to ensure functional equivalence without redesigning the layout.