***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Jun 15, 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 P4SMAJ28A A K 
.param
+vc0 = 8.082e-12	 vc1 = 3.516e-12	 vc2 = 2.113e-11		vc3 = 1.025e-1
+tc1 = 6.258e-2		 tc2 = 3.226e-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 = 2.701e-13	   n = 1.158		  rs = 5.657e-2
+ibv = 1e-3		 nbv = 1		  bv = 32.75
+ikf = 0.4
***** capacitance parameter *****
+cjo = 3.853e-10	   m = 3.308e-1		  vj = 5.388e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.110		 xti = 3
+trs1 = 2.336e-3	tbv1 = 8.168e-4		tikf = -1e-3
.ends P4SMAJ28A
*$
