The NTS4173PT1G from onsemi is a MOSFET with Continous Drain Current -1.3 A, Drain Source Resistance 90 to 280 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.5 to -0.7 V. Tags: Surface Mount. More details for NTS4173PT1G can be seen below.