The DMTH4008LPSQ from Diodes Incorporated is a MOSFET with Continous Drain Current 14.4 to 64.8 A, Drain Source Resistance 7.3 to 13 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 DMTH4008LPSQ can be seen below.