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***********           PANJIT International Inc.             ***********
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*Sep 28, 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 MMSZ5252B A K 
.param
+vc0 = 8.746e-11	 vc1 = 2.116e-11	 vc2 = 1.003e-11		vc3 = 2.405e-2
+tc1 = 8.051e-3		 tc2 = 3.251e-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 = 1.661e-15	   n = 1.048		  rs = 6.624e-1
+ibv = 5.2e-3		 nbv = 1.0		  bv = 24
+ikf = 1.2e-3
***** capacitance parameter *****
+cjo = 1.849e-11	   m = 3.554e-1		  vj = 6.694e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.148		 xti = 3
+trs1 = -3.025e-5	tbv1 = 8.229e-4		tikf = 9.5e-2
.ends MMSZ5252B
*$