The NTJD4001NT1G from onsemi is a MOSFET with Continous Drain Current 0.25 A, Drain Source Resistance 1000 to 2500 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.8 to 1.5 V. Tags: Surface Mount. More details for NTJD4001NT1G can be seen below.