The PJQ4463AP-AU from PANJIT Semiconductor is a MOSFET with Continous Drain Current -4.2 A, Drain Source Resistance 55 to 85 milliohm, Drain Source Breakdown Voltage -60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for PJQ4463AP-AU can be seen below.