***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Dec 28, 2018                                                         *
*                                                                     *
*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 PZ1AH18B-AU A C
.param
+vc0 = 1.712e-11	vc1 = 2.307e-12		 vc2 = 2.712e-11		 vc3 = 1.026e-1
+tc1 = 2.033e-2		tc2 = 2.213e-2		 tc3 = 1.557e-2			 tc4 = 2.074e-2
d1 A C zener
g1 C A value = {(vc0+vc1*v(C,A))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))+(vc2*exp(vc3*v(C,A)))*(1.0+tc3*(temp-25)*exp(tc4*(temp-25)))}
.model zener d
***** flag parameter ***
+level = 1   
***** dc model parameter ***
+ is = 1.436e-15	  n = 9.965e-1		  rs = 1.539e-2			ikf = 7.301e-1
+ibv = 25e-3	    nbv = 0.8			  bv = 18
***** capacitance parameter ***
+cjo = 2.170e-10	  m = 3.152e-1		  vj = 6.056e-1
+ fc = 0.5                      
***** temperature coefficient ***
+tnom = 25			 eg = 1.140			 xti = 3
+trs1 = -2.024e-3   tbv1 = 8.050e-4
.ends PZ1AH18B-AU
*$
