The 2N3456 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Drain Saturation Current 0.2 to 1.0 mA, Gate Source Voltage -50 V, Gate Current 10 mA, Gate Reverse Current -0.04 nA, Power Dissipation 0.3 W. Tags: Through Hole. More details for 2N3456 can be seen below.