The Fair-Rite 5961004921 is a high-quality Ferrite Toroid Core, available through Supreme Components International, an authorised distributor. This core is made from Material 61, known for its excellent performance characteristics in a wide range of frequencies. Its toroidal shape ensures efficient magnetic flux containment, minimizing electromagnetic interference (EMI). The core's dimensions are 9.53mm outer diameter (OD), 4.75mm inner diameter (ID), and 3.18mm height (H). This makes it suitable for applications such as inductors, transformers, and chokes. Benefit from Fair-Rite's reputation for reliability and Supreme Components' commitment to providing genuine electronic components. Choose the 5961004921 for your next project requiring a dependable ferrite core.