The Fair-Rite 2643013801 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, minimizing electromagnetic interference and maximizing inductance. Applications include inductors, transformers, and filters. Material 43 offers a good balance of permeability and core loss, making it suitable for a broad range of frequencies. As an authorised distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and performance of this product. Trust Supreme Components International for your electronic component needs.