The NTR4171PT3G from onsemi is a MOSFET with Continous Drain Current -3.5 A, Drain Source Resistance 50 to 150 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.4 to -0.7 V. Tags: Surface Mount. More details for NTR4171PT3G can be seen below.