.MODEL BC_557 PNP( Is=3.834E-14 Xti=3 Eg=1.11 Vaf=21.11 Bf=800 Ne=1.528 Ise=1.219E-14 Ikf=0.08039 Xtb=0 Br=14.84 Nc=1.28 Isc=2.852E-13 Ikr=0.047 Rc=0.5713 Cjc=1.084E-11 Mjc=0.3563 Vjc=0.1022 Fc=0.8027 Cje=1.23E-11 Mje=0.378 Vje=0.6106 Tr=1E-32 Tf=5.595E-10 Itf=0.1483 Vtf=5.23 Xtf=3.414 Rb=1 )