The NTH4L040N120SC1 from onsemi is a MOSFET with Continous Drain Current 58 A, Drain Source Resistance 40 to 100 milliohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -15 to 25 V, Gate Source Threshold Voltage 1.8 to 4.3 V. Tags: Through Hole. More details for NTH4L040N120SC1 can be seen below.