The LS5911 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Gate Source Voltage 35 V, Continous Drain Current 40 mA, Drain Source Breakdown Voltage 30 V, Power Dissipation 0.5 W, Operating Temperature -55 to 150 Degree C. Tags: Through Hole. More details for LS5911 can be seen below.