The GA08JT17-247 from Navitas Semiconductor is a Junction Field Effect Transistor (JFET) with Continous Drain Current 8 A, Drain Source Breakdown Voltage 1700 V, Drain Source Resistance 0.23 to 0.56 Ohm, Gate Current 1.5 A, Power Dissipation 48 W. Tags: Through Hole. More details for GA08JT17-247 can be seen below.