The Fair-Rite 9578354202 is a Ferrite Toroid Core designed for optimal performance in a range of electronic circuits. Constructed from Material 78, this core offers excellent magnetic properties. Key specifications include an outer diameter of 35.43mm, an inner diameter of 22.86mm, and a height of 12.7mm. Toroid cores are commonly used in inductors, transformers, and filters due to their efficient magnetic flux containment. As an authorized distributor of Fair-Rite products, Supreme Components International guarantees the authenticity and quality of this ferrite core. Choose the 9578354202 for reliable and consistent performance in your electronic designs.