The STD100N3LF3 from STMicroelectronics is a MOSFET with Continous Drain Current 80 A, Drain Source Resistance 0.0068 to 0.0146 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Through Hole. More details for STD100N3LF3 can be seen below.