The MMBFJ175LT1G from onsemi is a Junction Field Effect Transistor (JFET) with Drain Saturation Current 7.0 to 60 mA, Gate Source Voltage 3.0 to 6.0 V, Drain Source Resistance 125 Ohm, Gate Reverse Current 1.0 nA, Power Dissipation 0.225 W. Tags: Surface Mount. More details for MMBFJ175LT1G can be seen below.