The QS8J5 from ROHM Semiconductor is a MOSFET with Continous Drain Current -5 to 5 A, Drain Source Resistance 28 to 63 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for QS8J5 can be seen below.