The Fair-Rite 9578343502 is a high-quality Toroid Core, meticulously crafted from Material 78. Supreme Components International is an authorised distributor of Fair-Rite, ensuring you receive genuine components. This ferrite core is designed for optimal performance in a range of applications, including inductors, transformers, and chokes. Its toroidal shape provides excellent magnetic flux containment, minimizing electromagnetic interference (EMI). The core's dimensions (A = 14.5 mm, B = 9.3 mm, H = 4.7 mm) make it suitable for compact designs. Material 78 offers a balance of permeability and core loss characteristics. Benefit from Fair-Rite's renowned quality and enhance your electronic circuits with this reliable toroid core. Trust Supreme Components International for all your Fair-Rite component needs.