The MMBTA44_R1_00001 from PANJIT Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 0.75 V, Emitter Cut off Current 0.1 µA, Collector Base Voltage 500 V, Collector Cut off Current 0.1 µA. Tags: Surface Mount, NPN Transistor. More details for MMBTA44_R1_00001 can be seen below.