IRFP17N50L IRFP17N50L/ SiHFP17N50L IRFP17N50LPBF IRFP17N50LPBF MOS(场效应管) IRFP17N50LPBF,IRFP17N50L,FP17N50L IRFP17N50LS IRFP19140 IRFP20A60 IRFP20N50 IRFP20N50A