***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Apr 23, 2021                                                         *
*                                                                     *
*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-B6V8-AU A K 
.param
+vc0 = 1.046e-10		vc1 = 1.716e-11		vc2 = 1.500			vc3 = 1.703e-14		vc4 = 2.934e-0
+tc1 = 1.651e-2		tc2 = 1.121e-2		tc3 = 3.401e-3		tc4 = 3.451e-3
.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)))}
d1 A K zener
g1 K A value = {irexp(v(K,A))}
.model zener d
***** flag parameter *****
+level = 1
***** dc model parameter *****
+ is = 1.025e-15		   n = 1.035		  rs = 4.664e-1
+ibv = 5.0e-3			 nbv = 1.0			  bv = 6.8
+ikf = 7.309e-2
***** capacitance parameter *****
+cjo = 8.345e-11		   m = 3.932e-1		  vj = 8.771e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25			  eg = 1.134		 xti = 3
+trs1 = 9.625e-4		trs2 = 7.385e-6		tikf = 2.0e-3
+tbv1 = 4.283e-4		tbv2 = 8.912e-9	
.ends BZT52-B6V8-AU
*$
