The Fair-Rite 5943011121 is a Ferrite Toroid Core designed for a wide range of electronic applications. Manufactured from Material 43, this core offers excellent performance characteristics. Its toroidal shape ensures efficient magnetic flux containment, minimizing electromagnetic interference (EMI). The core's dimensions are 9.4mm outer diameter (OD), 4.75mm inner diameter (ID), and 3.18mm height (H). Supreme Components International is an authorised distributor of Fair-Rite components, ensuring you receive a genuine and high-quality product. This ferrite core is suitable for use in inductors, transformers, and other magnetic components where a compact and efficient core is required. Trust Supreme Components International for all your electronic component needs.