The Fair-Rite 5977006401 is a Toroid Core crafted from 77 material, offering superior performance in a wide range of applications. Supreme Components International, an authorised distributor of Fair-Rite, ensures you receive a genuine, high-quality component. This ferrite core is specifically designed for use in inductors, transformers, and chokes. Its toroidal shape provides excellent magnetic properties, minimizing flux leakage and maximizing inductance. The 77 material offers a good balance of permeability and saturation flux density, making it suitable for both signal and power applications. Applications include noise filtering, impedance matching, power conversion, and signal isolation. Choose the 5977006401 for reliable and efficient performance in your electronic designs.