The PZTA56 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 80 V, Collector Emitter Breakdown Voltage 80 V, Collector Emitter Voltage 80 V, Continuous Collector Current 500 mA. Tags: Surface Mount, PNP Transistor. More details for PZTA56 can be seen below.