The SST177 from CALOGIC is a Junction Field Effect Transistor (JFET) with Drain Saturation Current -1.5 to -20 mA, Gate Source Voltage 30 V, Drain Source Resistance 300 Ohm, Gate Current 50 mA, Gate Reverse Current 1 nA. Tags: Surface Mount. More details for SST177 can be seen below.