***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Nov 22, 2019                                                         *
*                                                                     *
*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-B36S-AU A K
.param
+vc0 = 7.046e-11	 vc1 = 2.053e-11	 vc2 = 7.604e-1		 vc3 = 1.251e-11		 vc4 = 9.450e-2
+tc1 = 2.251e-2		 tc2 = 6.821e-3		 tc3 = 4.241e-2		 tc4 = 2.721e-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 = 8.409e-14	   n = 1.176		  rs = 5.542e-1		 ikf = 1.902e-3
+ibv = 5e-3		 nbv = 2		  bv = 36
***** capacitance parameter ***
+cjo = 1.406e-11	   m = 3.735e-1		  vj = 6.735e-1
+ fc = 0.5                      
***** temperature coefficient ***
+tnom = 25		  eg = 1.130		 xti = 3
+trs1 = -2.279e-4	tbv1 = 9.304e-4		tbv2 = -3.133e-7	tikf = 1.058e-2
.ends BZT52-B36S-AU
*trs2 = -1.043e-6		
*$
