The IRFP31N50LPBF is a N-channel enhancement-mode Power MOSFET with lower gate charge.
N-Channel 500V 21A (Tc) 150W (Tc) Through Hole TO-247-3
The STW23NM50N is a MDmesh™ II N-channel Power MOSFET made using the second generation of MDmesh™ technology. This revolutionary Power MOSFET associates a new vertical structure to strip layout to yields one of lowest ON-resistance and gate charge. It is suitable for the most demanding high efficiency converters.