The PJQ5844 from PANJIT Semiconductor is a MOSFET with Continous Drain Current 45 A, Drain Source Resistance 6.5 to 10.5 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 PJQ5844 can be seen below.