The Fair-Rite 9578545402 is a high-quality Toroid Core, meticulously crafted from Material 78. This ferrite core is designed for optimal performance in a wide range of electronic circuits. Its toroidal shape provides excellent magnetic properties, minimizing electromagnetic interference (EMI) and maximizing inductance. The core's dimensions are A = 14.5 mm, B = 9.3 mm, and H = 5.1 mm. These precise measurements ensure consistent and reliable performance in your applications. As an authorized distributor of Fair-Rite products, Supreme Components International guarantees the authenticity and quality of this toroid core. Trust in Fair-Rite's expertise and Supreme Components International's commitment to providing top-tier electronic components.