.MODEL RB501V-40 D
+ IS=825.50E-9
+ N=1.0559
+ RS=1.1817
+ IKF=13.135
+ XTI=2
+ EG=.69
+ CJO=22.319E-12
+ M=.4283
+ VJ=.33881
+ BV=40
+ IBV=.12986
+ TT=8.6562E-9