The QH8KA3 from ROHM Semiconductor is a MOSFET with Continous Drain Current -9 to 9 A, Drain Source Resistance 12.3 to 23.7 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for QH8KA3 can be seen below.