The MQ2N5115UB from Microchip Technology is a Junction Field Effect Transistor (JFET) with Gate Source Voltage 30 V, Continous Drain Current -15 to -60 mA, Drain Source Breakdown Voltage 30 V, Drain Source Resistance 100 Ohm, Gate Current 50 mA. Tags: Surface Mount. More details for MQ2N5115UB can be seen below.