hbd139 transistor ng datasheet pdf HBD139tagagawa : Hi-Sincerity Mocroelectronics paglalarawan : POWER TRANSISTORS HBD139tagagawa : HSMC[Hi-Sincerity Mocroelectronics] paglalarawan : POWER TRANSISTORS HBD139tagagawa : Hi-Sinceritypaglalarawan : 80V 1.5A NPN power transistor