.MODEL RB420D D + IS=36.570E-9 + N=1.0360 + RS=12.880 + IKF=8.7600 + XTI=2 + EG=.69 + CJO=19.020E-12 + M=.419 + VJ=.369 + BV=40 + IBV=1.0000E-6 + TT=8.6562E-9 *$