The 2SK1794, 2SK-1794, K1794, 1794 is a 900V 6A 100W TO-3P Package, N-Channel Power MOSFET Switching Transistors With Freewheeling Diode And High Power MOSFET.
The IRFB4110PBF is a 100V single N-channel HEXFET® Power MOSFET with extremely low on-resistance per silicon area and fast switching performance using Trench MOSFET technology.
The Bipolar Power Transistor is designed for use in general-purpose amplifier and switching applications. The MJE2955T (PNP) and MJE3055T (NPN) are complementary devices.