The Fair-Rite 2643801202 is a high-quality Ferrite Toroid Core designed 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 characteristics in suppressing electromagnetic interference (EMI) and radio frequency interference (RFI). Its toroidal shape provides a closed magnetic path, enhancing its efficiency in inductor and transformer applications. The core's dimensions are: Outer Diameter (OD) 12.7mm, Inner Diameter (ID) 7.62mm, and Height (H) 4.75mm. This makes it suitable for compact designs where space is a constraint. Choose this Fair-Rite toroid core for reliable and consistent performance in your electronic circuits.