The STL45P3LLH6 from STMicroelectronics is a MOSFET with Continous Drain Current -45 A, Drain Source Resistance 11 to 19.5 Milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1 V. Tags: Surface Mount. More details for STL45P3LLH6 can be seen below.