Ferrite may refer to:* Ferrite (iron), iron or iron alloys with a body centred cubic crystal structure. Ferrite (magnet) (for example Fe3O4 or BaFe12O19), ferrimagnetic ceramic materials used in magnetic applications. Ferrite beads, components placed on the end of data cables to reduce interference. Calcium aluminoferrite, Ca2(Al,Fe)2O5, a mineral found in cements… (More on Ferrites)