The Fair-Rite 9579230402 is a Toroid Core crafted from Material 79, making it suitable for a wide range of applications. Supreme Components International, an authorised distributor of Fair-Rite components, provides this core with guaranteed authenticity and performance. Its toroidal shape ensures efficient magnetic flux containment, minimizing electromagnetic interference. The core's dimensions are A = 12.7 mm, B = 7.3 mm, and H = 4.75 mm. This ferrite core is commonly used in power inductors, transformers, and chokes. Material 79 offers a good balance of permeability and core loss, making it a versatile choice for various circuit designs. Choose Fair-Rite for reliable and consistent performance in your electronic projects.