The AUIRF7343Q from Infineon Technologies is a MOSFET with Continous Drain Current -3.4 to 4.7 V, Drain Source Resistance 0.043 to 0.170 Mohm, Drain Source Breakdown Voltage 55 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 1 V. Tags: Surface Mount. More details for AUIRF7343Q can be seen below.