The MMBT5401_R1_00001 from PANJIT Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage -5 V, Base Emitter Saturation Voltage -1 V, Collector Base Voltage -160 V, Collector Cut off Current -50 µA, Collector Emitter Breakdown Voltage -150 V. Tags: Surface Mount, PNP Transistor. More details for MMBT5401_R1_00001 can be seen below.