The Fair-Rite 9578545402 is a Toroid Core designed for optimal performance in a range of electronic circuits. Made with Material 78, this ferrite core offers excellent magnetic properties. Its toroidal shape ensures efficient flux containment, minimizing electromagnetic interference. The core's dimensions are A = 14.5 mm, B = 9.3 mm, and H = 5.1 mm. This component is commonly used in inductors, transformers, and other magnetic devices. As an authorized distributor of Fair-Rite products, Supreme Components International guarantees the authenticity and quality of this Toroid Core. Trust Supreme Components International for your electronic component needs.