The MMSTA14-7-F from Diodes Incorporated is a Bipolar Junction Transistor with Emitter Base Voltage 10 V, Base Emitter Saturation Voltage 2 V, Emitter Cut off Current 100 nA, Collector Base Voltage 30 V, Collector Cut off Current 100 nA. Tags: Surface Mount, NPN Transistor. More details for MMSTA14-7-F can be seen below.