The Fair-Rite 6578200121 is a Ferrite Toroid Core designed for optimal performance in a range of electronic circuits. Constructed from Material 78, this core offers excellent magnetic properties. Its toroidal shape minimizes flux leakage and provides efficient energy storage. Key specifications include an outer diameter (OD) of 20.32mm, an inner diameter (ID) of 12.7mm, and a height (H) of 6.35mm. This core is suitable for applications such as inductors, transformers, and chokes. As an authorised distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 6578200121 for reliable and consistent performance in your electronic designs.