The IRFI740G from Vishay is a MOSFET with Continous Drain Current 5.4 A, Drain Source Resistance 550 milliohm, Drain Source Breakdown Voltage 400 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IRFI740G can be seen below.