The TPH5900CNH from Toshiba is a MOSFET with Continous Drain Current 18 A, Drain Source Resistance 50 to 59 milliohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for TPH5900CNH can be seen below.