The SiHP8N50D-E3 from Vishay is a MOSFET with Continous Drain Current 8.7 A, Drain Source Resistance 700 to 850 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for SiHP8N50D-E3 can be seen below.