The Fair-Rite 443806406 is a Ferrite Toroid Core designed for a wide range of electronic applications. Constructed from Material 44, this core offers excellent performance characteristics. Its dimensions include an outer diameter (OD) of 38.1mm, an inner diameter (ID) of 22.86mm, and a height (H) of 6.35mm. Toroid cores are commonly used in inductors, transformers, and filters due to their efficient magnetic flux containment. As an authorised distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 443806406 for reliable performance in your electronic designs.