The PJS6601-AU from PANJIT Semiconductor is a MOSFET with Continous Drain Current -3.1 to 4.1 A, Drain Source Resistance 41 to 190 milliohm, Drain Source Breakdown Voltage -20 to 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.2 to 1.2 V. Tags: Surface Mount. More details for PJS6601-AU can be seen below.