The NTZD3155CT2G from onsemi is a MOSFET with Continous Drain Current -0.455 to 0.54 A, Drain Source Resistance 400 to 2000 milliohm, Drain Source Breakdown Voltage -20 to 20 V, Gate Source Voltage -6 to 6 V, Gate Source Threshold Voltage -1 to 1 V. Tags: Surface Mount. More details for NTZD3155CT2G can be seen below.