***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Apr 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 SMF8P5A A K 
.param
+vc0 = 1.006e-11	 vc1 = 1.606e-9		 vc2 = 4.813e-10	vc3 = 6.989e-1
+tc1 = 2.058e-3		 tc2 = 4.016e-3		 tc3 =2.058e-2		tc4 = 1.042e-2
d1 A K zener
g1 K A value = {(vc0+vc1*v(K,A)*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))+vc2*exp(vc3*v(K,A)))*(1.0+tc3*(temp-25)*exp(tc4*(temp-25)))}
.model zener d
***** flag parameter *****
+level = 1        
***** dc model parameter *****
+ is = 5.468e-13	   n = 1.175		  rs = 3.405e-2
+ibv = 1e-3		 nbv = 1		  bv = 9.9
+ikf = 89.69
***** capacitance parameter *****
+cjo = 7.964e-10	   m = 3.200e-1		  vj = 4.364e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.062		 xti = 2.5
+trs1 = -4.457e-4	tbv1 = 5.372e-4		tikf = -1e-4
.ends SMF8P5A
*$

