The SiHD5N80AE from Vishay is a MOSFET with Continous Drain Current 4.4 A, Drain Source Resistance 1170 to 1350 Milliohm, Drain Source Breakdown Voltage 800 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for SiHD5N80AE can be seen below.