The Fair-Rite 5678090621 is a high-quality Ferrite Toroid Core, available through Supreme Components International, an authorised distributor. This core is designed for optimal performance in a range of applications, including power supplies, inductors, and transformers. Its toroidal shape provides excellent magnetic flux containment, minimizing electromagnetic interference (EMI). Fair-Rite's commitment to quality ensures consistent performance and reliability. Supreme Components International provides comprehensive support and documentation for this product, ensuring seamless integration into your designs. Trust Supreme Components International for genuine Fair-Rite components and expert service. Benefit from our extensive inventory and efficient logistics.