ยกยค With TO-220 package ยกยค Complement to type 2SA1008 ยกยค Low collector saturation voltage ยกยค Fast switching speed APPLICATIONS ยกยค Switching regulators ยกยค DC/DC converters ยกยค High frequency power amplifiers PINNING PIN 1 2 3 Base Collector;connected to mounting base Emitter Fig.1 simplified outline (T.