The TPH4R008NH1 from Toshiba is a MOSFET with Continous Drain Current 146 A, Drain Source Resistance 3.3 to 4 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for TPH4R008NH1 can be seen below.