The DMTH43M8LPSQ from Diodes Incorporated is a MOSFET with Continous Drain Current 22 to 100 A, Drain Source Resistance 2.7 to 5 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for DMTH43M8LPSQ can be seen below.