The STN951 from STMicroelectronics is a Bipolar Junction Transistor with Emitter Base Voltage -6 V, Base Emitter Saturation Voltage -1 to -1.15 V, Emitter Cut off Current -0.1 µA, Collector Base Voltage -60 V, Collector Cut off Current -0.1 µA. Tags: Surface Mount, PNP Transistor. More details for STN951 can be seen below.