The SiHG14N50D from Vishay is a MOSFET with Continous Drain Current 14 A, Drain Source Resistance 320 to 400 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 SiHG14N50D can be seen below.