The 5943000601 is a high-quality Ferrite Toroid Core from Fair-Rite, a leading manufacturer of ferrite components. Supreme Components International is an authorised distributor of Fair-Rite, ensuring you receive genuine parts. This toroid core is made from Material 43, known for its excellent performance in a wide range of frequencies. Its dimensions are 9.4mm outer diameter, 4.75mm inner diameter, and 3.18mm height. This core is commonly used in inductors, transformers, and chokes to improve efficiency and reduce electromagnetic interference (EMI). Its toroidal shape provides a closed magnetic path, minimizing flux leakage. Applications include power supplies, filters, and signal processing circuits. Choose this reliable core for your next project.