The NTD20N06LG from onsemi is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 39 to 48 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -15 to 15 V, Gate Source Threshold Voltage 1 to 2 V. Tags: Surface Mount. More details for NTD20N06LG can be seen below.