The 2N5115 TO-18 3L RoHS from Linear Systems is a Junction Field Effect Transistor (JFET) with Drain Saturation Current -15 to -110 mA, Gate Source Voltage 30 V, Forward Transfer Admittance 4.5 mS, Continous Drain Current -7 mA, Drain Source Resistance 100 Ohm. Tags: Through Hole. More details for 2N5115 TO-18 3L RoHS can be seen below.