***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Nov 30, 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 BZT52-C7V5S A K
.param
+vc0 = 1.773e-11	vc1 = 1.316e-11		vc2 = 5.507e-17		vc3 = 3e0
+tc1 = 8.351e-3		tc2 = 8.363e-3		tc3 = 7.351e-3		tc4 = 1.063e-2
d1 A K zener
g1 K A value = {(vc0+vc1*v(K,A))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))+(vc2*exp(vc3*v(K,A)))*(1.0+tc3*(temp-25)*exp(tc4*(temp-25)))}
.model zener d
***** flag parameter ***
+level = 1   
***** dc model parameter ***
+ is = 4.097e-16	   n = 1.006		  rs = 4.703e-1		ikf = 8.302e-2
+ibv = 5e-3		 nbv = .5		  bv = 7.5
***** capacitance parameter ***
+cjo = 4.588e-11	   m = 3.294e-1		  vj = 5.338e-1
+ fc = 0.5                      
***** temperature coefficient ***
+tnom = 25		  eg = 1.123		 xti = 3
+trs1 = 1.059e-3	trs2 = 7.203e-6		tbv1 = 5.126e-4		tikf = 5.873e-3
.ends BZT52-C7V5S
*$
