The Fair-Rite 5943003821 is a Toroid Core designed for a wide range of electronic applications. Made from Material 43, this ferrite core offers excellent performance characteristics. Its dimensions are A = 14.5 mm, B = 7.5 mm, and H = 5 mm. Toroid cores are commonly used in inductors, transformers, and other magnetic components due to their efficient magnetic flux containment. As an authorized distributor of Fair-Rite products, Supreme Components International guarantees the authenticity and quality of this component. Choose the 5943003821 for reliable performance in your next project. Benefit from consistent quality and performance with this genuine Fair-Rite core.