The Fair-Rite 3061990841 is a high-quality Ferrite Toroid Core, available through Supreme Components International, an authorised distributor. 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 5.59mm, and a height (H) of 4.75mm. This toroid core is commonly used in inductors, transformers, and other magnetic components. The toroidal shape provides excellent magnetic flux containment, minimizing electromagnetic interference (EMI). Fair-Rite's commitment to quality ensures reliable and consistent performance. Choose Supreme Components International for your Fair-Rite component needs.