The Fair-Rite 9677353509 is a Toroid Core made from 77 material, a popular choice for a wide range of applications. Supreme Components International, an authorised distributor of Fair-Rite components, provides this core for your design needs. Toroid cores are known for their superior magnetic properties and ability to minimize electromagnetic interference (EMI). This particular core is well-suited for inductors, transformers, and chokes. The 77 material offers a good balance of permeability and core loss, making it suitable for various frequencies. Its compact size and efficient magnetic flux path make it an excellent choice for space-constrained applications. Choose Fair-Rite for reliable performance and consistent quality. As an authorised distributor, we guarantee authenticity and traceability.