The TPW1R005PL from Toshiba is a MOSFET with Continous Drain Current 300 A, Drain Source Resistance 0.75 to 1.65 milliohm, Drain Source Breakdown Voltage 45 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.4 to 2.4 V. Tags: Surface Mount. More details for TPW1R005PL can be seen below.