The MMDT4403-TP from Micro Commercial Components is a Bipolar Junction Transistor with Emitter Base Voltage -5 V, Base Emitter Saturation Voltage -1.3 to -0.75 V, Emitter Cut off Current -0.1 µA, Collector Base Voltage -40 V, Collector Cut off Current -0.1 µA. Tags: Surface Mount, PNP Transistor. More details for MMDT4403-TP can be seen below.