The STH315N10F7-6 from STMicroelectronics is a MOSFET with Continous Drain Current 180 A, Drain Source Resistance 2.1 to 2.3 Milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for STH315N10F7-6 can be seen below.