The STP30NF10 from STMicroelectronics is a MOSFET with Continous Drain Current 35 A, Drain Source Resistance 38 to 45 Milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for STP30NF10 can be seen below.