The TPH4R008QM from Toshiba is a MOSFET with Continous Drain Current 140 A, Drain Source Resistance 3.1 to 5.6 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 3.5 V. Tags: Surface Mount. More details for TPH4R008QM can be seen below.