The Fair-Rite 2643178751 is a high-quality Ferrite Toroid Core, essential for a wide range of electronic applications. This core is constructed from Material 43, known for its excellent performance characteristics. Its toroidal shape and specific dimensions (17.78mm OD x 10.16mm ID x 6.35mm H) make it suitable for inductors, transformers, and noise filters. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose this ferrite core for optimal performance in your electronic designs. Benefit from reliable signal integrity and efficient energy transfer.