The Fair-Rite 9578343502 is a high-quality Toroid Core, a crucial component in numerous electronic circuits. Supreme Components International is an authorised distributor of Fair-Rite products, ensuring you receive genuine components. This ferrite core, crafted from Material 78, offers excellent performance characteristics. Its toroidal shape provides superior magnetic flux containment compared to other core shapes. The core's dimensions are A = 14.5 mm, B = 9.3 mm, and H = 4.7 mm. This makes it suitable for applications such as inductors, transformers, and noise filters. Choose Fair-Rite for reliable and consistent performance in your electronic designs. Trust Supreme Components International for all your component needs.