The 2N5115 from Central Semiconductor is a Junction Field Effect Transistor (JFET) with Drain Saturation Current 15 to 60 mA, Gate Source Voltage 30 V, Drain Source Resistance 100 Ohm, Gate Current 50 mA, Gate Reverse Current 500 pA. Tags: Through Hole. More details for 2N5115 can be seen below.