The FAIR-RITE 5978018601 is a high-quality toroid core made from their signature 78 material. Supreme Components International, an authorised distributor of FAIR-RITE components, ensures you receive a genuine product. Toroid cores are widely used in inductors, transformers, and chokes due to their superior magnetic characteristics. The 78 material offers a specific permeability and frequency response, making it suitable for a range of applications. Its closed-loop design minimizes flux leakage and electromagnetic interference (EMI), leading to improved circuit performance. This ferrite core is perfect for applications demanding high efficiency and low EMI. Trust Supreme Components International for all your FAIR-RITE component needs.