IRFS243 TO-3PF
IRFS244A TO-3PF
IRFS244B TO-3PF
IRFS250 TO-3PF
IRFS250A TO-3PF
IRFS250B TO-3PF
IRFS250,IRFS250A TO-3PF FAIRCHILD/仙童
IRFS251 TO-3PF
IRFS252 TO-3PF
IRFS253 TO-3PF