The STH145N8F7-2AG from STMicroelectronics is a MOSFET with Continous Drain Current 90 A, Drain Source Resistance 3.3 to 4 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 STH145N8F7-2AG can be seen below.