The Fair-Rite 2643803802 is a high-quality Ferrite Toroid Core, perfect for a wide range of electronic applications. Supreme Components International is an authorised distributor of Fair-Rite, ensuring you receive genuine components. This core is made from Material 43, known for its excellent performance in suppressing electromagnetic interference (EMI) and radio frequency interference (RFI). Its dimensions include an outer diameter (OD) of 12.7mm, an inner diameter (ID) of 7.62mm, and a height (H) of 4.75mm. This toroid core is commonly used in inductors, transformers, and filters. Benefit from reliable performance and consistent quality with this Fair-Rite core. Choose Supreme Components International for your electronic component needs.