The Fair-Rite 3061990891 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 constructed from Material 61, known for its excellent performance characteristics in various frequency ranges. Its toroidal shape provides efficient magnetic flux containment, minimizing electromagnetic interference (EMI). Key specifications include an outer diameter (OD) of 9.91mm, an inner diameter (ID) of 5.59mm, and a height (H) of 4.75mm. This core is suitable for use in inductors, transformers, and other magnetic components. Choose Supreme Components International for reliable Fair-Rite components and expert support.