The PJS6604 from PANJIT Semiconductor is a MOSFET with Continous Drain Current -3.1 to 4.4 A, Drain Source Resistance 37 to 165 milliohm, Drain Source Breakdown Voltage -30 to 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.3 to 1.2 V. Tags: Surface Mount. More details for PJS6604 can be seen below.