***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Dec 26, 2019                                                         *
*                                                                     *
*This SPICE Model describes the characteristics of a typical device   *
*and does not respresent the specification. Designer should refer to  *
*the same type name data sheet for specification limits.              *
***********************************************************************
*$
.subckt MMBT3904  C B E
q1 C B E bjt
.model bjt npn
*****DC curve parameter***
+  is = 8.419e-13	  nf = 1.183		  nr = 1.518
+ ikf = 1.983e-1	 ikr = 1.622e-1		 vaf = 13.52		 var = 5
+ ise = 1.059e-14	  ne = 1.554		 
+ isc = 8.470e-14	  nc = 1.082
+  bf = 185.2		  br = 10.208		  nk = 7.203e-1
+  rb = 5.089e0		  rc = 8.802e-1		 
*****capacitance parameter***
+ cje = 7.209e-12	 vje = 7.556e-1		 mje = 3.447e-1
+ cjc = 3.237e-12	 vjc = 3.903e-1		 mjc = 2.641e-1
*****thermal parameter***
+ xtb = 1.174		  eg = 0.945	
+trc1 = 1e-3	
.ends
*$