The BD244C, BD-244, 244 is a 6A, 100V 65W PNP Bipolar Power Transistor is designed for use in general purpose amplifier and switching applications. BD243B, BD243C (NPN); BD244B, BD244C (PNP) are complementary devices.
The IRF9640 is a 200V 11A Fifth Generation P-Channel HEXFETs from International Rectifier utilize advanced processing techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized.