The Fair-Rite 5943003801 is a Ferrite Toroid Core, a crucial component in numerous electronic circuits. Supreme Components International is an authorised distributor of Fair-Rite, ensuring you receive genuine, high-quality parts. This toroid core is made from Material 43, known for its versatile performance across a broad frequency range. Its dimensions include an outer diameter of 9.4mm, an inner diameter of 4.75mm, and a height of 3.18mm. These cores are commonly used in applications such as creating inductors, transformers, and effective noise filters. The toroidal shape provides excellent magnetic flux containment, minimizing electromagnetic interference. Choose Fair-Rite for reliable performance in your electronic designs.