The MMBT2222A with SOT-23 Bipolar Transistors – BJT ROHS manufactured by Doeshare is a NPN type PNP general use transistor made from a silicon material with three leads. It is designed to be used as a switch or a high gain amplifier for electronic circuits. This device has a 900mW power dissipation and a voltage between the collector and emitter of 40V. It has a collector current between 150mA and 200mA and a hFE range of 40 to 300. The operating temperature range is from -55 degrees Celsius to 150 degrees Celsius. In addition, it is RoHS compliant and has a fully compatible footprint with other SOT-23 BJTs.