The NTE457 from NTE Electronics is a Junction Field Effect Transistor (JFET) with Gate Source Voltage -2.5 V, Forward Transfer Admittance 1000 to 5000 mS, Continous Drain Current 1 to 5 mA, Gate Current 10 mA, Gate Reverse Current -1 to -200 mA. Tags: Through Hole. More details for NTE457 can be seen below.