2643103002

Overview

Fair-Rite 2643103002 is a solid round ferrite cable core designed for EMI suppression. It utilizes Material 43, providing a minimum impedance of 330 ohms at 100 MHz. The component features an inner diameter of 19.05 mm (0.750 inches), an outer diameter of 31.12 mm (1.225 inches), and an external length of 50.80 mm (2.000 inches). This free-hanging core is suitable for suppressing electromagnetic interference on cables within the specified frequency range.

Feature Summary

• Solid round construction for secure cable mounting
• Material 43 composition optimized for high-frequency noise suppression
• Guaranteed minimum impedance specification for reliable performance

Applications

• Electromagnetic interference suppression on cables
• High-frequency noise filtering in electronic assemblies

Procurement Notes

Verify that the required cable diameter fits within the 19.05 mm inner diameter specification. Confirm that the application environment does not exceed the thermal limits of Material 43. Ensure compliance with RoHS standards if required by the end product regulations. Check datasheet for specific impedance test conditions to validate design requirements.

Selection Notes

Select this part when a large-diameter cable requires significant common-mode noise attenuation at 100 MHz. The solid design offers better mechanical stability compared to split cores. Material 43 is appropriate for frequencies above 10 MHz where permeability drops are acceptable. Consider physical space constraints due to the 50.80 mm length.

Part Context

This component belongs to Fair-Rite's 26 series of round cable EMI suppression cores. The series provides various materials and dimensions to suit different cable sizes and frequency requirements. Part number 2643103002 specifically denotes the Material 43 formulation with the defined geometric dimensions.

Replacement Considerations

Direct substitutes include other Fair-Rite 26 series cores with identical dimensions but different materials, such as 2643102002 (Material 31) or 2643106402 (Material 61), depending on the required impedance profile. Cross-manufacturer equivalents must match the 19.05 mm ID and 31.12 mm OD precisely.