The Fair-Rite 2643020501 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-quality components. This toroid core is constructed from Material 43, known for its versatile performance in a range of frequencies. Its dimensions include an outer diameter (OD) of 6.35mm, an inner diameter (ID) of 3.18mm, and a height (Ht) of 3.18mm. These precise dimensions make it suitable for compact designs. Ferrite toroid cores are commonly used in inductors, transformers, and chokes to enhance performance and reduce electromagnetic interference. Choose Fair-Rite and Supreme Components International for reliable components and expert support.