The DMTH4004SK3Q from Diodes Incorporated is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 2.6 to 3.2 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 DMTH4004SK3Q can be seen below.