The STH275N8F7-6AG from STMicroelectronics is a MOSFET with Continous Drain Current 180 A, Drain Source Resistance 1.7 to 2.1 Milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for STH275N8F7-6AG can be seen below.