The NTMFSS0D9N03P8 from onsemi is a MOSFET with Continous Drain Current 275 A, Drain Source Resistance 1 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 V. Tags: Surface Mount. More details for NTMFSS0D9N03P8 can be seen below.