The PJD6NA40 from PANJIT Semiconductor is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 800 to 950 milliohm, Drain Source Breakdown Voltage 400 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for PJD6NA40 can be seen below.