The PJD50P04 from PANJIT Semiconductor is a MOSFET with Continous Drain Current -50 A, Drain Source Resistance 10 to 17.5 milliohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for PJD50P04 can be seen below.