The MMBTA63 from KEC Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage -10 V, Emitter Cut off Current -0.1 µA, Collector Base Voltage -30 V, Collector Cut off Current -0.1 µA, Collector Emitter Breakdown Voltage -30 V. Tags: Surface Mount, PNP Transistor. More details for MMBTA63 can be seen below.