The Fair-Rite 5943000621 is a Ferrite Toroid Core designed for a wide range of electronic applications. Constructed from Material 43, this core offers excellent performance characteristics. Its toroidal shape provides efficient magnetic flux containment, minimizing electromagnetic interference (EMI). With outer diameter of 9.53mm, inner diameter of 4.75mm and height of 3.18mm, this core is suitable for compact designs. Typical applications include inductors, transformers, and chokes. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 5943000621 for reliable performance in your next project.