The QS5U33 from ROHM Semiconductor is a MOSFET with Continous Drain Current -2 to 2 A, Drain Source Resistance 95 to 225 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 QS5U33 can be seen below.