The S8050 is a 25V 300mW 500mA NPN SOT-23 RoHS Compliant Bipolar Transistor that is manufactured by Youtai. This transistor is a bipolar junction transistor (BJT) that is designed for switching and amplification applications. It has an operating temperature range of -55 to 150 degrees Celsius and a maximum collector-emitter voltage of 25 volts. It has a maximum collector current of 500mA and a maximum power dissipation of 300mW.