The IXFH70N30Q3 from Littelfuse is a MOSFET with Continous Drain Current 70 A, Drain Source Resistance 54 Milliohm, Drain Source Breakdown Voltage 300 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 to 6 V. Tags: Through Hole. More details for IXFH70N30Q3 can be seen below.