The Fair-Rite 2661801902 is a high-quality Ferrite Toroid Core, designed for use in a wide range of electronic applications. Manufactured by Fair-Rite, a leading provider of ferrite components, this core offers excellent performance and reliability. Supreme Components International is an authorised distributor of Fair-Rite, guaranteeing genuine components. This toroid core is constructed from Material 61, known for its stable magnetic properties. Key specifications include an outer diameter (OD) of 18.03mm, an inner diameter (ID) of 10.16mm, and a height (H) of 6.35mm. These dimensions make it suitable for various inductor and transformer designs. Its toroidal shape provides excellent magnetic flux containment, minimizing electromagnetic interference (EMI). Consider this core for your next project requiring efficient and reliable magnetic components.