The PJF8NA50 from PANJIT Semiconductor is a MOSFET with Continous Drain Current 8 A, Drain Source Resistance 800 to 900 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for PJF8NA50 can be seen below.