The Fair-Rite 5943000211 is a Ferrite Toroid Core, a crucial component in numerous electronic circuits. Supreme Components International is an authorised distributor of Fair-Rite products, ensuring you receive genuine, high-performance parts. This solid core is constructed from Material 43, known for its excellent magnetic properties. With an A_L value of 1000nH, this ferrite core is suitable for applications such as inductors, transformers, and noise filters. Its toroidal shape provides a closed magnetic path, minimizing flux leakage and maximizing efficiency. Choose Supreme Components International for reliable electronic components and expert support.