***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Nov 23, 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-C9V1-AU A K 
.param
+vc0 = 1.314e-10	 vc1 = 1.016e-12	 vc2 = 1.103e-12		vc3 = 9.005e-1
+tc1 = 3.051e-2		 tc2 = 1.241e-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 = 4.053e-15	   n = 1.078		  rs = 5.087e-1
+ibv = 5e-3		 nbv = 1.0		  bv = 9.105
+ikf = 1e-2
***** capacitance parameter *****
+cjo = 5.098e-11	   m = 3.297e-1		  vj = 5.571e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.148		 xti = 3
+trs1 = 4.025e-4	tbv1 = 5.585e-4		tikf = 1e-2
.ends BZT52-C9V1-AU
*$
