The STL90N6F7 from STMicroelectronics is a MOSFET with Continous Drain Current 90 A, Drain Source Resistance 4.6 to 5.4 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for STL90N6F7 can be seen below.