2943666661

Overview

Fair-Rite 2943666661 is a wound ferrite bead with axial radial termination. It utilizes Fair-Rite Material 31 for electromagnetic interference suppression. The component exhibits an impedance of 375 Ohms at 100 MHz and 225 Ohms at 25 MHz. Physical dimensions include a diameter of 6 mm and a length of 10 mm. It operates within a temperature range of -55°C to +125°C.

Feature Summary

• Wound bead construction for high impedance performance
• Material 31 composition optimized for EMI suppression
• Axial leaded design for through-hole mounting

Applications

• Electromagnetic interference suppression in electronic circuits
• Common mode choke applications
• Wideband choke implementations

Procurement Notes

Verify the specific material composition and impedance characteristics against the official Fair-Rite datasheet before integration. Confirm that the axial lead configuration matches the target PCB layout requirements. Ensure the operating temperature range aligns with the environmental conditions of the final assembly to guarantee long-term reliability.

Selection Notes

Select this component when high impedance at radio frequencies is required for noise reduction. Material 31 provides effective attenuation in the VHF/UHF spectrum. The wound structure allows for higher inductance compared to solid cores, making it suitable for filtering applications where space permits axial leads.

Part Context

This part belongs to the Fair-Rite ferrite cable core and bead family. It is designed for direct wire wrapping or axial insertion. The product line focuses on providing customizable magnetic solutions for signal integrity and power line filtering across various industrial and commercial electronics sectors.

Replacement Considerations

Check Fair-Rite documentation for equivalent parts with similar impedance curves. Verify physical footprint compatibility if substituting with other axial ferrite beads. Ensure replacement materials match the required frequency response profile.