The Fair-Rite 6578170121 is a high-quality Ferrite Toroid Core designed for a wide range of electronic applications. Constructed from Material 78, this core provides excellent magnetic properties and performance. Its dimensions include an outer diameter (OD) of 17.02mm, an inner diameter (ID) of 9.65mm, and a height (Ht) of 7.14mm. This toroid core is suitable for use in inductors, transformers, and other magnetic components. As an authorised distributor of Fair-Rite products, Supreme Components International ensures you receive genuine, reliable components. Trust Fair-Rite and Supreme Components International for your ferrite core needs.