The Fair-Rite 5943001421 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 9.4mm, an inner diameter (ID) of 4.75mm, and a height (H) of 3.18mm. Toroid cores are widely used in electronic circuits for their excellent magnetic properties, providing efficient inductance and impedance in applications such as power supplies, filters, and transformers. Fair-Rite's Material 43 offers a good balance of permeability and saturation flux density. Supreme Components International is an authorised distributor of Fair-Rite components, ensuring that you receive a genuine and reliable product. This ferrite core is suitable for a range of applications where a compact and effective magnetic core is required. Trust Supreme Components International for your electronic component needs.