The TPN7R506NH from Toshiba is a MOSFET with Continous Drain Current 53 A, Drain Source Resistance 6 to 16 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for TPN7R506NH can be seen below.