2643000501

Overview

Fair-Rite 2643000501 is a solid round ferrite cable core designed for electromagnetic interference suppression. It utilizes Material 43, providing an impedance of 22 ohms at a test frequency of 100 MHz. The component features a free-hanging installation type with an inner diameter of 1.09 mm (0.043 inches), an outer diameter of 1.93 mm (0.076 inches), and a length of 1.52 mm (0.060 inches). It operates within a frequency range of 25 MHz to 300 MHz and complies with RoHS standards.

Feature Summary

• Solid construction provides structural integrity for small-diameter cables
• Material 43 composition optimized for high-frequency noise attenuation
• Free-hanging design allows direct sliding onto wires without mounting hardware

Applications

• Suppression of common-mode noise on small gauge wiring harnesses
• EMI filtering in compact electronic assemblies
• Signal integrity enhancement for high-speed data lines

Procurement Notes

Verify the specific impedance tolerance and material grade consistency against the manufacturer's current datasheet before integration. Confirm that the physical dimensions align with the target cable diameter to ensure proper fit. Check for updated RoHS compliance documentation to meet regional regulatory requirements. Ensure storage conditions prevent moisture absorption or physical damage to the ceramic structure.

Selection Notes

Select this part when dealing with cables having an inner diameter near 1.09 mm. Material 43 is suitable for frequencies above 25 MHz where higher permeability is required compared to Material 31. The solid bead form factor is preferred over split cores for permanent installations where disassembly is not anticipated. Consider the low profile length for space-constrained environments.

Part Context

This component belongs to the Fair-Rite 26 series of cable ferrites. It is distinct from multi-aperture rings or flat ribbon cores. The 2643 prefix indicates a solid round geometry made from Material 43. It serves as a passive component for EMI suppression rather than energy storage or power transformation.

Replacement Considerations

Direct substitutes must match the 1.09 mm inner diameter and Material 43 composition. Alternative Fair-Rite parts with different impedances may be used if frequency response adjustments are acceptable. Verify that any replacement maintains the same physical envelope to avoid mechanical interference.