The Fair-Rite 7878400321 is a Toroid Core designed for a wide range of electronic applications. This ferrite core, belonging to the FERRITE CORE product category and TOROID CORE subcategory, is constructed from Material 78, ensuring optimal performance. Its dimensions include an outer diameter (OD) of 7.87mm, an inner diameter (ID) of 4.75mm, and a height (H) of 3.18mm. Supreme Components International is an authorised distributor of Fair-Rite, providing you with genuine components and reliable service. This toroid core is suitable for applications requiring efficient magnetic flux paths and minimal electromagnetic interference. Trust Supreme Components International for all your Fair-Rite component needs.