The SMMBT2907ALT1G is a NPN Bipolar Transistor manufactured by ON Semiconductor. It is an ultra-small surface mount discrete transistors in a single Small Outline Transistor (SOT-363) package. It is designed for ultra-low voltage and current applications and is capable of operating down to 0.7 V. Its maximum collector current is 0.3A and its maximum collector-emitter voltage is 16 V. It is ideal for switching or amplifier applications. It has a minimum collector-emitter saturation voltage of 350mV at 0.7V base-emitter voltage and current level of 150 mA. This transistor is offered in lead-free finish/RoHS compliant option.