The PJQ4446P from PANJIT Semiconductor is a MOSFET with Continous Drain Current 48 A, Drain Source Resistance 7.5 to 13 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for PJQ4446P can be seen below.