The FDMT80080DC from onsemi is a MOSFET with Continous Drain Current 254 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 FDMT80080DC can be seen below.