The Fair-Rite 5978002721 is a high-quality 78 material toroid core, specifically engineered for inductor applications. Supreme Components International, an authorised distributor of Fair-Rite components, ensures that you receive a genuine and reliable product. This toroid core offers excellent magnetic properties, making it ideal for creating efficient and compact inductors. Its toroidal shape provides self-shielding, reducing electromagnetic interference. The 78 material offers a specific permeability suitable for a range of frequencies. This component is widely used in power supplies, filters, and other electronic circuits where inductance is crucial. Choose Fair-Rite for superior performance and durability. Trust Supreme Components International for authentic components and exceptional service.