The MMSTA05-7-F from Diodes Incorporated is a Bipolar Junction Transistor with Emitter Base Voltage 4 V, Base Emitter Saturation Voltage 1.2 V, Collector Base Voltage 60 V, Collector Cut off Current 100 nA, Collector Emitter Breakdown Voltage 60 V. Tags: Surface Mount, NPN Transistor. More details for MMSTA05-7-F can be seen below.