***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Jun 14, 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 MMSZ5237A A K 
.param
+vc0 = 1.146e-11	 vc1 = 1.916e-11	 vc2 = 5.003e-12		vc3 = 2.405e-1
+tc1 = 8.351e-3		 tc2 = 2.151e-2
d1 A K zener
g1 K A value = {(vc0+vc1*v(K,A)+vc2*exp(vc3*v(K,A)))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))}
.model zener d
***** flag parameter *****
+level = 1                     
***** dc model parameter *****
+ is = 2.301e-15	   n = 1.052		  rs = 4.819e-1
+ibv =2e-2		 nbv = 1.0		  bv = 8.2
+ikf = 1e-2
***** capacitance parameter *****
+cjo = 5.691e-11	   m = 3.312e-1		  vj = 5.982e-1 
+ fc = 0.5
***** temperature coefficient *****	
+tnom = 25		  eg = 1.148		 xti = 3
+trs1 = 8.295e-4	trs2 = 1.925e-8		tikf = 1.15e-2
+tbv1 = 5.509e-4	tbv2 = 3.866e-8
.ends MMSZ5237A
*$
