***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Apr 16, 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-B10 A K 
.param
+vc0 = 9.046e-11	vc1 = 8.016e-11		vc2 = 1.000		vc3 = 1.103e-13		vc4 = 1.075e-0
+tc1 = 7.041e-3		tc2 = 4.031e-3		tc3 = 1.151e-2		tc4 = 1.101e-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)))}
d1 A K zener
g1 K A value = {irexp(v(K,A))}
.model zener d
***** flag parameter *****
+level = 1
***** dc model parameter *****
+ is = 1.215e-14		   n = 1.173		  rs = 4.518e-1
+ibv = 5.0e-3			 nbv = 1.0		  bv = 10
+ikf = 1.094e-2
***** capacitance parameter *****
+cjo = 4.587e-11		   m = 3.313e-1		  vj = 5.124e-1 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25			  eg = 1.125		 xti = 3
+trs1 = -1.056e-3		trs2 = -1.203e-6	tikf = 1.2e-2
+tbv1 = 5.611e-4		tbv2 = 1.346e-7	
.ends BZT52-B10
*$
