The STS9P3LLH6 from STMicroelectronics is a MOSFET with Continous Drain Current -9 A, Drain Source Resistance 12 to 22.5 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2 to -1 V. Tags: Surface Mount. More details for STS9P3LLH6 can be seen below.