***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Sep 30, 2024                                                         *
*                                                                     *
*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 PJMBZ18A-AU A K 
.param
+vc0 = 9.300e-13  	 vc1 = 1.190e-11	 	 vc2 = 1.000      	 vc3 = 1.090e-12		vc4 = 1.245e-1 
+tc1 = 2.800e-2		 tc2 = 1.329e-2	    	 tc3 = 8.247e-3  	       tc4 = 2.650e-2
d1  A A1 zener
g1 A1  A value = {irexp(v(A1, A))}
v1 A1 K1 0
e1 K1  K   value = {rbv(i(v1))}
.func irexp(v) {(vc0+vc1*v**vc2)*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))+(vc3*exp(vc4*v))*(1.0+tc3*(temp-25)*exp(tc4*(temp-25)))}
.func rbv(i) {2.467*min(i,0)}
.model zener d
***** flag parameter *****
+level = 1        
***** dc model parameter *****
+ is = 1.315e-15	   n = 1.0178  		  rs = 5.209e-2
+ibv = 1e-3		   nbv = 1		        bv = 17.6
+ikf = 5.567e-1
***** capacitance parameter *****
+cjo = 8.491e-11	   m = 3.282e-1	  vj = 6.293e-1
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.118		 xti = 3
+trs1 = 2.165e-3	  tbv1 = 7.845e-4		 tbv2 = 4.205e-12 	
.ends PJMBZ18A-AU
*$
