The NTE312 from NTE Electronics is a Junction Field Effect Transistor (JFET) with Gate Source Voltage -30 V, Forward Transfer Admittance 4500 to 7500 mS, Continous Drain Current 5.0 to 15 mA, Gate Current 50 mA, Gate Reverse Current -1 nA. Tags: Through Hole. More details for NTE312 can be seen below.