The JANTXV2N4858 from Solitron Devices is a Junction Field Effect Transistor (JFET) with Gate Source Voltage -40 V, Continous Drain Current 8 to 80 mA, Drain Source Resistance 60 Ohm, Gate Current 50 mA, Gate Reverse Current -0.25 nA. Tags: Through Hole. More details for JANTXV2N4858 can be seen below.