The Fair-Rite 2631181381 is a Ferrite Toroid Core designed for a wide range of applications, including inductors, transformers, and chokes. Constructed from Material 63, this core offers excellent performance characteristics. Its dimensions include an outer diameter (OD) of 11.8mm, an inner diameter (ID) of 7.3mm, and a height (Ht) of 4.5mm. The toroid shape provides a closed magnetic path, minimizing flux leakage and maximizing inductance. As an authorised distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. This core is suitable for use in power supplies, filters, and other electronic circuits where high permeability and low core loss are required. Choose Fair-Rite for reliable and consistent performance.