***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Mar 13, 2020                                                         *
*                                                                     *
*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 MMSZ5250A A K 
.param
+vc0 = 3.206e-11	vc1 = 3.420e-11		vc2 = 1.000		vc3 = 1.025e-12		vc4 = 3.035e-1
+tc1 = 1.321e-2		tc2 = 9.071e-3		tc3 = 8.901e-3		tc4 = 3.071e-3
.func irexp(v) {(vc0+vc1*v^vc2)*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))+(vc3*exp(vc4*v))*(1.0+tc3*(temp-25)*exp(tc4*(temp-25)))}
d1 A K zener
g1 K A value = {irexp(v(K,A))}
.model zener d
***** flag parameter *****
+level = 1 
***** dc model parameter *****
+ is = 2.015e-15	   n = 1.046		  rs = 4.449e-1
+ibv = 6.2e-3		 nbv = 1.0		  bv = 20
+ikf = 2.096e-2
***** capacitance parameter *****
+cjo = 2.210e-11	   m = 3.308e-1		  vj = 5.583e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.122		 xti = 3
+trs1 = 1.525e-3	trs2 = 4.725e-6		tikf = 1.0e-2
+tbv1 = 7.984e-4	tbv2 = -3.927e-7	
.ends MMSZ5250A
*$
