The 2N5912 from Solitron Devices is a Junction Field Effect Transistor (JFET) with Gate Source Voltage -25 V, Forward Transfer Admittance 3000 to 10000 µS, Continous Drain Current 5 mA, Gate Current 50 mA, Gate Reverse Current -250 nA. Tags: Through Hole. More details for 2N5912 can be seen below.