Poseico S.p.A. activity is dedicated to research, design, manufactoring and trade of high power diodes, thyristors, GTOs, IGBTs, power assemblies and traction rectifiers. Poseico S.p.A. is the MBO (Management Buy Out) Corporation issued in 2001 from the former Semiconductors Departement of Ansaldo Trasporti that started its production in 1970. Troughout continuous improvement in technology, quality and reliability of its devices, is as been recognized as a leader firm in the high power semiconductors market. Poseico S.p.A. Quality System has been certified, starting from 1993, at ISO9001:2000 Standard. Poseico S.p.A. policy is to continue developing new products with better performances, prices and services to cover as many applications as possible.