***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Apr 19, 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 P4SMAJ18CA 1 2 
.param
+vc0 = 9.602e-10	vc1 = 2.416e-10		 vc2 = 9.743e-11		vc3 = 2.205e-1
+tc1 = 1.838e-2		tc2 = 2.599e-2
d1 1 c zener
g1 c 1 value = {(vc0+vc1*v(c,1)+vc2*exp(vc3*v(c,1)))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))}
d2 2 c zener
g2 c 2 value = {(vc0+vc1*v(c,2)+vc2*exp(vc3*v(c,2)))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))}
.model zener d
***** flag parameter *****
+level = 1   
***** dc model parameter *****
+ is = 1e-13		   n = 1		  rs = 1e-2
+ibv = 1e-3		 nbv = 1.5		  bv = 20.35
***** capacitance parameter *****
+cjo = 2.976e-10	   m = 2.448e-1		  vj = 9.911e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.065		 xti = 3
+trs1 = 1e-4		tbv1 = 7.355e-4
.ends P4SMAJ18CA
*$
