http://www.fujielectric.com/products/semiconductor.
1MBI400V-120-50 - IGBT
http://www.fujielectric.com/products/semiconductor/ 1MBI400V-120-50 IGBT MODULE (V series) 1200V / 400A / 1 in one package IGBT Modules Features Hi.1MBI400VF-120-50 - IGBT
http://www.fujielectric.com/products/semiconductor/ 1MBI400VF-120-50 IGBT MODULE (V series) 1200V / 400A / 1 in one package IGBT Modules Features H.