The FDMT1D3N08B from onsemi is a MOSFET with Continous Drain Current 164 A, Drain Source Resistance 1.35 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 4 V. Tags: Surface Mount. More details for FDMT1D3N08B can be seen below.