The TIP102TU is a silicon NPN transistor from ON Semiconductor. It is a general-purpose power transistor designed for use in medium-power amplifier and switch applications. It has an exceptional hFE of 500 and can handle a collector current of up to 5 A. The TIP102TU also has a continuous base-emitter voltage of 40 V and a maximum collector-emitter voltage of 80 V. It has a maximum power dissipation of 20W and is available in the convenient TO-220 package.