The Fair-Rite 5678221421 is a high-quality Ferrite Toroid Core designed for optimal performance in a wide range of electronic applications. This core is manufactured by Fair-Rite, a trusted name in magnetic components. As an authorised distributor, Supreme Components International provides genuine Fair-Rite products, ensuring reliability and consistency. Ferrite toroid cores are commonly used in inductors, transformers, and filters due to their excellent magnetic properties and ability to suppress electromagnetic interference (EMI). The 5678221421 offers a balance of permeability and saturation flux density, making it suitable for both power and signal applications. Supreme Components International offers comprehensive support and technical resources to assist with your design needs. Benefit from our extensive inventory and efficient logistics.