The Fair-Rite 6678505021 is a high-quality Ferrite Toroid Core, designed for optimal performance in a wide range of electronic circuits. Constructed from Material 78, this core offers excellent magnetic properties, including high permeability and low core loss at higher frequencies. Its toroidal shape provides a closed magnetic path, minimizing external electromagnetic interference. The core's dimensions are 50.5mm outer diameter, 28.5mm inner diameter, and 21mm height. This makes it suitable for applications such as inductors, transformers, and chokes. As an authorised distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 6678505021 for reliable and efficient performance in your electronic designs.