2SK1590 2SK1590(0)-T1B-A 2SK1590(0)-T1B-AT 2SK1590-1A-F3 2SK1590A-T1B 2SK1590A-T1B-A 2SK1590A-T1B-A-VB 2SK1590C-T1B-A 2SK1590C-T1B-AT 2SK1590-T1