The STB1277 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 30 V, Collector Emitter Breakdown Voltage 30 V, Collector Emitter Voltage 30 V, Continuous Collector Current 2000 mA. Tags: Through Hole, PNP Transistor. More details for STB1277 can be seen below.