The DMTH4004LPSQ from Diodes Incorporated is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 2.14 to 5 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for DMTH4004LPSQ can be seen below.