The Fair-Rite 2643000801 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 components, guaranteeing you receive a genuine product. This core is made from Material 43, known for its excellent performance characteristics. Its dimensions include an outer diameter (OD) of 12.7mm, an inner diameter (ID) of 7.62mm, and a height (H) of 4.75mm. Toroid cores are commonly used in inductors, transformers, and filters due to their efficient magnetic flux containment. Choose this core for superior performance in your next project. Benefit from our extensive inventory and fast shipping.