The DMTH4005SPS from Diodes Incorporated is a MOSFET with Continous Drain Current 20.9 to 100 A, Drain Source Resistance 2.9 to 3.7 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for DMTH4005SPS can be seen below.