***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Nev 09, 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 P4SMAJ28CA 1 2
.param
+vc0 = 3.512e-11		vc1 = 5.524e-12		vc2 = 1.567e-11		vc3 = 1.332e-1
+tc1 = 6.532e-2		tc2 = 4.084e-2		tc3 = 5.333e-2		tc4 = 2.408e-2
d1 1 c zener
g1 c 1 value = {(vc0+vc1*v(c,1))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))+(vc2*exp(vc3*v(c,1)))*(1.0+tc3*(temp-25)*exp(tc4*(temp-25)))}
d2 2 c zener
g2 c 2 value = {(vc0+vc1*v(c,2))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))+(vc2*exp(vc3*v(c,2)))*(1.0+tc3*(temp-25)*exp(tc4*(temp-25)))}
.model zener d
***** flag parameter ***
+level = 1   
***** dc model parameter ***
+ is = 1e-14	   	   n = 1.100		  rs = 1e-3
+ibv = 1e-3			 nbv = 1.3			  bv = 32.05
***** capacitance parameter ***
+cjo = 1.827e-10	   	   m = 2.507e-1		  vj = 1.117
+ fc = 0.5                      
***** temperature coefficient ***
+tnom = 25			  eg = 1.100		 xti = 3
+trs1 = 1e-4		trs2 = 8e-6			tbv1 = 8.286e-4
.ends P4SMAJ28CA
*$
