The G3R450MT17J from GeneSiC Semiconductor is a MOSFET with Continous Drain Current 4 to 8 A, Drain Source Resistance 450 to 901 milliohm, Drain Source Breakdown Voltage 1700 V, Gate Source Voltage -10 to 20 V, Gate Source Threshold Voltage 1.8 to 2.7 V. Tags: Surface Mount. More details for G3R450MT17J can be seen below.