***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Apr 24, 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 MMBZ5256B-AU A K
.param
+vc0 = 5.532e-11		 vc1 = 1.283e-11		 vc2 = 1.077e0		 vc3 = 1.835e-11		 vc4 = 7.527e-2
+tc1 = 1.252e-2		 tc2 = 1.072e-2		 tc3 = 1.122e-2		 tc4 = 1.562e-2		   
.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 = 5.936e-15	   	   n = 1.114		  rs = 1.712e-1		ikf = 2.528e-1
+ibv = 4.2e-3		 nbv = 1			  bv = 30
***** capacitance parameter ***
+cjo = 1.572e-11	   	   m = 3.261e-1		  vj = 6.402e-1
+ fc = 0.5                      
***** temperature coefficient ***
+tnom = 25			  eg = 1.059		 xti = 3
+trs1 = 3.674e-4		tbv1 = 6.786e-4		tbv2 = 3.183e-7		tikf = 8.453e-3
.ends MMBZ5256B-AU
*trs2 = 1.017e-6		
*$
