The NTBLS1D5N08MC from onsemi is a MOSFET with Continous Drain Current 298 A, Drain Source Resistance 1.3 to 3.7 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for NTBLS1D5N08MC can be seen below.