The Fair-Rite 5977001321 is a high-quality toroid core designed for effective EMI suppression. Manufactured using Fair-Rite's 77 material, this core offers superior performance in filtering unwanted electromagnetic interference. Its toroidal shape ensures a closed magnetic path, minimizing flux leakage and maximizing inductance. This component is widely used in various electronic applications, including power supplies, filters, and inductors, where EMI reduction is critical. Supreme Components International is an authorised distributor of Fair-Rite electronic components, guaranteeing authenticity and quality. Choose the 5977001321 for reliable and efficient EMI suppression in your designs. Supreme Components International is an authorised distributor of electronic components.