The MPF102 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Gate Source Voltage -25 V, Forward Transfer Admittance 2000 to 7500 mS, Continous Drain Current 2.0 to 20 mA, Drain Source Breakdown Voltage 25 V, Gate Current 10 mA. Tags: Through Hole. More details for MPF102 can be seen below.