The Fair-Rite 5977001821 is a high-quality Ferrite Toroid Core designed for optimal performance in a range of electronic circuits. Constructed from Material 77, this core offers excellent permeability and low core loss characteristics. Its dimensions include an outer diameter (OD) of 18.29mm, an inner diameter (ID) of 11.43mm, and a height (H) of 6.35mm. This toroid core is suitable for applications such as inductors, transformers, and noise filters. As an authorised distributor of Fair-Rite components, Supreme Components International ensures you receive genuine, reliable products. Choose the 5977001821 for superior performance in your electronic designs.