The Fair-Rite 8978202021 is a solid round ferrite core designed for effective EMI suppression and signal conditioning. Manufactured from 78 material, this core provides excellent performance in a variety of applications, including power supplies, data lines, and signal cables. Its solid construction ensures mechanical stability and consistent electrical characteristics. Supreme Components International is an authorised distributor of Fair-Rite products, guaranteeing you receive genuine, high-quality components. This ferrite core is a reliable solution for minimizing unwanted noise and optimizing circuit performance. Choose the 8978202021 for superior EMI control.