BAT54 (BV=30V, VF=0.32v) spice model from the web:
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* Model Generated by MODPEX *
*Copyright(c) Symmetry Design Systems*
* All Rights Reserved *
* UNPUBLISHED LICENSED SOFTWARE *
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* Model generated on Feb 7, 09
* MODEL FORMAT: PSpice
.MODEL Dbat54m3t5g d
+IS=2.13042e-08 RS=0.713059 N=0.990935 EG=0.708595
+XTI=0.5 BV=40 IBV=1e-05 CJO=1.53039e-11
+VJ=0.408337 M=0.446469 FC=0.5 TT=5.1937e-09
+KF=0 AF=1