***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Mae 14, 2025                                                         *
*                                                                     *
*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 P6SMB170A  A K 
.param
+vc0 = 4.546e-9		 vc1 = 5.073e-10		 vc2 = 1.000		 vc3 = 8.251e-11		 vc4 = 3.747e-2
+tc1 = 5.757e-2		 tc2 = 3.226e-2		 tc3 = 1.341e-2		 tc4 = 1.251e-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)))}
.func rbv(i) (1.354e+1*min(i,0)}
d1 A A1 zener
g1 A1 A value = {irexp(v(A1,A))}
v1 A1 K1 0
e1 K1 K value = {rbv(i(v1))}
.model zener d
***** flag parameter *****
+level = 1 
***** dc model parameter *****
+ is = 3.288e-10	       n = 1.395         rs = 1.309e-2
+ibv = 1.0e-3		 nbv = 1.000	  bv = 170.50
+ikf = 5.817e-2
***** capacitance parameter *****
+cjo = 3.206e-10	   m = 3.546e-1		  vj = 5.566e-1
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		      eg = 1.080		      xti = 3
+trs1= 2.440e-3        tikf= 4.455e-3        
+tbv1 = 1.036e-3		tbv2 = -1.771e-6
.ends P6SMB170A
*$
