***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*May 03, 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 MMSZ5255B A K 
.param
+vc0 = 1.996e-11	 vc1 = 2.816e-11	 vc2 = 2.103e-11		vc3 = 1.105e-2
+tc1 = 5.151e-3		 tc2 = 2.958e-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 = 3.993e-14	   n = 1.179		  rs = 5.821e-1
+ibv = 4.5e-3		 nbv = 1.0		  bv = 28
+ikf  = 4.0e-3
***** capacitance parameter *****
+cjo = 1.638e-11	   m = 3.582e-1		  vj = 6.598e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.165		 xti = 3
+trs1 = -1.015e-3	tbv1 = 8.538e-4		tikf = 1e-2
.ends MMSZ5255B
*$
