Ferrite is a ceramic-based non-metallic magnetic material composed of iron oxide combined with metal oxides such as manganese and zinc. It features high permeability, high electrical resistivity, and low high-frequency magnetic loss. Ferrites can be classified into soft magnetic and hard magnetic types. Available in various shapes including ring, E-shape, and rod forms, they are widely used in electronic devices, automotive components, communication base stations, and medical equipment, serving as key materials for core components such as transformers, inductors, and filters.