The Fair-Rite 6578070121 is a high-quality Ferrite Toroid Core, meticulously crafted from Material 78. Its precise dimensions of 5.72mm outer diameter, 3.18mm inner diameter, and 1.57mm height make it suitable for a wide range of electronic applications, including inductors, transformers, and chokes. The Material 78 composition provides excellent magnetic properties, ensuring optimal performance in demanding circuits. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. This toroid core is designed to meet the stringent requirements of modern electronic designs, offering reliability and efficiency.