CF1-17.5*9.5*28.5

Overview

The CF1-17.5*9.5*28.5 is a solid free-hanging ferrite core manufactured by API Delevan, designed for EMI suppression on cables. It features an inner diameter of 9.50 mm (0.374 inches) and an outer diameter of 17.50 mm (0.688 inches), with a total length of 28.5 mm (1.122 inches). The component provides an impedance of 217 Ohms at 100 MHz. This cylindrical ferrite material is engineered to attenuate high-frequency noise on power and signal lines without requiring mounting hardware.

Feature Summary

• Solid construction eliminates the need for split-core installation mechanisms
• Free-hanging design allows direct sliding onto existing cable assemblies
• High impedance characteristics target electromagnetic interference suppression

Applications

• Cable assembly noise filtering
• Power line EMI suppression
• Signal integrity enhancement in electronic equipment

Procurement Notes

Verify current manufacturing status as this specific part number may be obsolete. Confirm dimensional tolerances and impedance specifications against updated datasheets before integration. Ensure compatibility with cable diameters within the 9.50 mm inner diameter range. Check for authorized substitutes if original production has ceased.

Selection Notes

Select this component when a solid ferrite solution is required for post-assembly cable treatment. The fixed dimensions necessitate precise cable diameter matching. Consider impedance requirements at target frequencies to ensure effective noise attenuation. Evaluate space constraints relative to the 28.5 mm length profile.

Part Context

This component belongs to the CF1 series of solid ferrite cores from API Delevan. These parts are distinct from split-core variants due to their monolithic structure. The series is commonly used in industrial and commercial electronics for passive EMI mitigation. The specific model denotes precise physical dimensions and material properties optimized for broadband noise reduction.

Replacement Considerations

DigiKey lists parametric equivalents such as 2631665702 for this obsolete part. Verify that substitute components match the 9.50 mm ID, 17.50 mm OD, and 28.5 mm length. Ensure impedance curves align with the original 217 Ohm @ 100MHz specification for equivalent performance.