The 9578494902 Toroid Core from Fair-Rite, available at Supreme Components International, an authorised distributor, is a high-quality ferrite core designed for optimal performance. This toroid core, categorized under Ferrite Cores and specifically as a Toroid Core, is constructed from Material 78. Its dimensions are A = 12.7 mm, B = 7.3 mm, and H = 4.8 mm. These cores are commonly used in inductors, transformers, and other electromagnetic devices to enhance efficiency and reduce electromagnetic interference. Fair-Rite's commitment to quality ensures reliable and consistent performance. Choose Supreme Components International for genuine Fair-Rite components and expert support.