The Fair-Rite 5961002721 is a solid round ferrite core, expertly crafted from Material 61. This core is characterized by its 9.5mm outer diameter, 4.7mm inner diameter, and 6.35mm height. Ferrite cores are essential components in electronic circuits, primarily used for electromagnetic interference (EMI) suppression and signal filtering. The 5961002721 is suitable for a wide range of applications, including power supplies, inductors, and transformers. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Material 61 offers a good balance of permeability and saturation flux density.