The 2N5515 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Gate Source Voltage -0.2 to -3.8 V, Forward Transfer Admittance 500 to 1000 mS, Continous Drain Current 0.5 to 7.5 mA, Gate Current -100 nA, Gate Reverse Current -250 nA. Tags: Through Hole. More details for 2N5515 can be seen below.