The XPN3R804NC from Toshiba is a MOSFET with Continous Drain Current 40 A, Drain Source Resistance 3 to 7.8 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 2.5 V. Tags: Surface Mount. More details for XPN3R804NC can be seen below.