The Fair-Rite 3061990861 is a high-quality Ferrite Toroid Core, available through Supreme Components International, an authorised distributor of Fair-Rite components. This core is constructed from Material 61, known for its excellent performance characteristics in a wide range of frequencies. Its dimensions include an outer diameter (OD) of 9.91mm, an inner diameter (ID) of 6.35mm, and a height (Ht) of 3.18mm. This toroid core is suitable for applications such as inductors, transformers, and noise filters. The toroidal shape provides excellent magnetic properties and minimizes electromagnetic interference. Choose this reliable component for your next project, knowing you are sourcing from an authorised distributor.