The PJS6403 from PANJIT Semiconductor is a MOSFET with Continous Drain Current -6.4 A, Drain Source Resistance 27 to 46 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 PJS6403 can be seen below.