***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*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 MMSZ5254B-AU A K 
.param
+vc0 = 5.246e-11	 vc1 = 2.116e-11	 vc2 = 1.003e-11		vc3 = 2.405e-2
+tc1 = 1.851e-3		 tc2 = 2.521e-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 = 1.170e-15	   n = 1.058		  rs = 1.628e-1
+ibv = 5e-3		 nbv = 1.0		  bv = 27
+ikf = 0.2
***** capacitance parameter *****
+cjo = 1.677e-11	   m = 3.320e-1		  vj = 6.439e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.148		 xti = 3
+trs1 = 1.025e-5	tbv1 = 8.329e-4		tikf = 1e-3
.ends MMSZ5254B-AU
*$
