The Fair-Rite 2643801402 is a high-quality Ferrite Toroid Core, expertly crafted from Material 43. This core is characterized by its precise dimensions: an outer diameter (OD) of 6.35mm, an inner diameter (ID) of 3.18mm, and a height (H) of 3.18mm. Toroid cores are widely used in electronic circuits for their excellent magnetic properties, making them suitable for applications such as inductors, transformers, and noise filters. Material 43 offers a good balance of permeability and core loss, making it a versatile choice for various frequency ranges. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 2643801402 for reliable performance in your electronic designs.