The STP80NF55L-06 from STMicroelectronics is a MOSFET with Continous Drain Current 80 A, Drain Source Resistance 5 to 8 Milliohm, Drain Source Breakdown Voltage 55 V, Gate Source Voltage -16 to 16 V, Gate Source Threshold Voltage 1 V. Tags: Through Hole. More details for STP80NF55L-06 can be seen below.