The 5961003821 Ferrite Toroid Core from Fair-Rite, available at Supreme Components International, an authorised distributor, is a crucial component for numerous electronic circuits. This core is made from the renowned 61 material, known for its excellent performance in a wide frequency range. Its toroidal shape ensures efficient magnetic flux containment, minimizing electromagnetic interference (EMI). With outer diameter of 9.53mm, inner diameter of 4.75mm, and height of 3.18mm, this core is suitable for compact designs. Applications include power inductors, signal transformers, and noise filters. Choose Fair-Rite's quality and Supreme Components International's reliability for your electronic component needs.