The Fair-Rite 9595424402 is a high-quality Toroid Core, categorized under Ferrite Cores. Specifically, it's a Toroid Core made from Material 42. Its dimensions are as follows: A = 12.7 mm, B = 7.4 mm, and H = 4.75 mm. This core is suitable for a wide range of applications, including inductors, transformers, and chokes. Material 42 offers excellent performance characteristics for various frequency ranges. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose this toroid core for reliable and efficient performance in your electronic designs. Benefit from consistent quality and optimal magnetic properties.