The 2N3380 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Drain Saturation Current -3.0 to -10 mA, Gate Source Voltage 30 V, Drain Source Resistance 600 Ohm, Gate Current 50 mA, Gate Reverse Current 3 nA. Tags: Through Hole. More details for 2N3380 can be seen below.