The PJL9850 from PANJIT Semiconductor is a MOSFET with Continous Drain Current 5.4 A, Drain Source Resistance 27.5 to 44 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for PJL9850 can be seen below.