The FAIR-RITE 3078990821 is a high-quality TOROID CORE made from #78 MATERIAL. Supreme Components International, an authorised distributor of FAIR-RITE electronic components, provides this core for a wide range of applications, including power supplies, filters, and inductors. Its toroidal shape offers superior magnetic properties and minimizes electromagnetic interference (EMI). This ferrite core is designed for optimal performance and durability. Benefit from our extensive inventory and expert support. Explore the full range of FERRITE CORE and TOROID CORE options available through Supreme Components International. Ensure your designs meet the highest standards with genuine FAIR-RITE components.