The SiHG20N50E from Vishay is a MOSFET with Continous Drain Current 19 A, Drain Source Resistance 160 to 184 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 SiHG20N50E can be seen below.