The Fair-Rite 2631665702 is a high-quality Ferrite Toroid Core, available from Supreme Components International, an authorised distributor of Fair-Rite components. This core is made from Material 61, known for its excellent performance in a wide range of frequencies. Its toroidal shape ensures efficient magnetic flux containment, minimizing electromagnetic interference (EMI). The core's dimensions are carefully controlled to ensure consistent performance: 16.6 mm outer diameter, 9.6 mm inner diameter, and 5.1 mm height. This Ferrite Toroid Core is suitable for applications such as inductors, transformers, and chokes. Choose Fair-Rite for reliable and consistent performance in your electronic designs. Supreme Components International guarantees the authenticity and quality of this product.