The Fair-Rite 2643172551 is a high-quality Ferrite Toroid Core, designed for a wide range of electronic applications. Supreme Components International is an authorised distributor of Fair-Rite, guaranteeing genuine components. This core is constructed from Material 43, known for its excellent performance characteristics. Its dimensions include an outer diameter of 17.78mm, an inner diameter of 9.65mm, and a height of 6.35mm. Toroid cores are commonly used in inductors, transformers, and other electromagnetic devices. Their closed-loop design minimizes flux leakage and provides high inductance. The 2643172551 offers superior performance in filtering, impedance matching, and power conversion circuits. Choose Supreme Components International for reliable Fair-Rite components.