The Fair-Rite 2743021447 is a high-quality Ferrite Toroid Core, designed for a wide range of electronic applications. Supreme Components International is an authorised distributor of Fair-Rite, ensuring you receive genuine components. This core is made from Material 43, known for its excellent performance in various frequency ranges. Its dimensions include an outer diameter (OD) of 11.1mm, an inner diameter (ID) of 6.35mm, and a height (Ht) of 4.75mm. Toroid cores like the 2743021447 are commonly used in inductors, transformers, and noise filters due to their efficient magnetic properties and self-shielding characteristics. The Material 43 composition provides optimal performance for applications requiring high permeability and low core loss. Trust Supreme Components International for all your Fair-Rite component needs.