*BC550BP ZETEX Spice model     Last revision  4/90   Low Noise
*ZTX Si   3dB  45V 200mA 300MHz pkg:TO-92 1,2,3
.MODEL BC550 NPN( IS=1.8E-14 BF=400 NF=0.9955 VAF=80 IKF=0.14 ISE=5E-14 
+ NE=1.46 BR=35.5 NR=1.005 VAR=12.5 IKR=0.03 ISC=1.72E-13 NC=1.27 RB=0.56 
+ RE=0.6 RC=0.25 CJE=1.3E-11 TF=6.4E-10 CJC=4E-12 VJC=0.54 TR=5.072E-8 )