The NTC040N120SC1 from onsemi is a MOSFET with Continous Drain Current 60 A, Drain Source Resistance 39 to 60 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: Wafer. More details for NTC040N120SC1 can be seen below.