The MMBT3906 with 50nA 40V 200mW 200mA 100@10mA,1V 300MHz 300mV@50mA,5mA NPN +150?@(Tj) SOT-23 Bipolar Transistors - BJT ROHS manufactured by WPMtek is an NPN bipolar transistor. It has a maximum DC collector current of 200mA and a maximum DC collector-emitter voltage of 40V. It is also capable of switching frequencies up to 300MHz with a voltage gain of 300mV at 50mA and 5mA. The junction temperature at maximum rated conditions is +150°C. It is housed in an SOT-23 package from WPMtek that is RoHS certified.