The 2N5902 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Drain Saturation Current 30 to 600 µA, Gate Source Voltage -4 V, Forward Transfer Admittance 70 to 250 mS, Gate Current 10 mA, Gate Reverse Current -10 nA. Tags: Through Hole. More details for 2N5902 can be seen below.