The FAIR-RITE 5978003801 is a high-quality Toroid Core, crafted from #78 material ferrite. Supreme Components International is an authorised distributor of FAIR-RITE, ensuring you receive authentic components. This toroid core is designed for a wide range of applications, including inductors, transformers, and filters. Its toroidal shape provides excellent magnetic flux containment, minimizing electromagnetic interference (EMI). The #78 material offers a balance of permeability and saturation flux density, making it suitable for both power and signal applications. Choose the 5978003801 for its reliability, performance, and consistent quality. Supreme Components International guarantees the authenticity and quality of all FAIR-RITE products we distribute.