The Fair-Rite 6598070121 is a high-quality Ferrite Toroid Core designed for a wide range of electronic applications. Constructed from Material 77, this core provides optimal performance and reliability. Its dimensions include an outer diameter (OD) of 9.8mm, an inner diameter (ID) of 5.0mm, and a height (H) of 3.0mm. This toroid core is suitable for use in inductors, transformers, and other magnetic components. As an authorized distributor of Fair-Rite products, Supreme Components International guarantees the authenticity and quality of this ferrite core. Choose the 6598070121 for your next project and experience the Fair-Rite advantage. Benefit from consistent performance and superior magnetic properties.