IRG4PF50W(=G4PF50W) IR 28A-900V 2pezzi
https://www.infineon.com/dgdl/Infineon-IRG4PF50WD-DataSheet-v01_00-EN.pdf?fileId=5546d462533600a401535647eed32305
sostituisce il G4PC50W 27A-600V
https://www.infineon.com/dgdl/irg4pc50wpbf.pdf?fileId=5546d462533600a401535647cdad22fb