The Fair-Rite 2643173851 is a Ferrite Toroid Core designed for a wide range of electronic applications. Constructed from Material 43, this core offers excellent performance characteristics. Its dimensions include an outer diameter (OD) of 17.78mm, an inner diameter (ID) of 9.65mm, and a height (H) of 6.35mm. Toroid cores are commonly used in inductors, transformers, and filters due to their ability to confine magnetic flux, minimizing electromagnetic interference (EMI). As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 2643173851 for reliable and efficient performance in your electronic designs. This Ferrite Toroid Core is a crucial component for achieving optimal circuit functionality.