The NTE458 from NTE Electronics is a Junction Field Effect Transistor (JFET) with Drain Saturation Current 0.5 to 12 mA, Gate Source Voltage -0.13 to -1.5 V, Forward Transfer Admittance 4.0 to 12 mS, Continous Drain Current 20 mA, Drain Source Breakdown Voltage 50 V. Tags: Through Hole. More details for NTE458 can be seen below.