The Fair-Rite 2643804502 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 components. This toroid core is made from Material 43, known for its versatile performance characteristics. 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 dimensions make it suitable for applications requiring compact and efficient core materials. Ferrite toroid cores are commonly used in inductors, transformers, and filters to enhance performance and reduce electromagnetic interference. Choose Fair-Rite for reliability and Supreme Components International for trusted distribution.