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***********           PANJIT International Inc.             ***********
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*May 17, 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 MMSZ5237B-AU A K 
.param
+vc0 = 8.496e-10	 vc1 = 1.616e-12	 vc2 = 7.503e-12		vc3 = 6.565e-1
+tc1 = 2.058e-2		 tc2 = 1.716e-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 = 6.596e-16	   n = 1.008		  rs = 4.754e-1
+ibv = 2.0e-2		 nbv = 1.0		  bv = 8.2
+ikf = 1.403e-2 
***** capacitance parameter *****
+cjo  = 5.676e-11	   m = 3.617e-1		  vj = 7.102e-1 
+ fc  = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.103		 xti = 4
+trs1 = 4.005e-4	trs2 = 5.515e-6		tikf = 1e-2
+tbv1 = 5.386e-4	tbv2 = -1.394e-7
.ends MMSZ5237B-AU
*$