The Fair-Rite 9578110502 is a high-quality Toroid Core, available through Supreme Components International, an authorised distributor of Fair-Rite components. This ferrite core, belonging to the FERRITE CORE product category and TOROID CORE subcategory, is constructed from Material 78. Its toroidal shape provides excellent magnetic properties for applications such as inductors, transformers, and noise filters. The core's dimensions are A = 11.8 mm, B = 6.35 mm, and H = 4.75 mm. This core is designed to provide optimal performance in a variety of electronic circuits, ensuring efficient energy transfer and minimal signal distortion. Choose Fair-Rite for reliable and consistent performance in your designs.