The 2N4869 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Drain Saturation Current 2.5 to 7.5 mA, Gate Source Voltage -40 V, Forward Transfer Admittance 1300 to 4000 mS, Gate Current 50 mA, Gate Reverse Current -0.25 nA. Tags: Through Hole. More details for 2N4869 can be seen below.