The IRFM250D from TT Electronics is a MOSFET with Continous Drain Current 27.4 A, Drain Source Resistance 100 to 105 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IRFM250D can be seen below.