***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Jan 11, 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-B13S-AU A K
.param
+vc0 = 8.073e-12	vc1 = 1.016e-11		vc2 = 5.201e-14
+tc1 = 2.801e-2		tc2 = 1.859e-2		
d1 A K zener
g1 K A value = {(vc0+vc1*v(K,A)+vc2*v(K,A)*v(K,A))*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))}
.model zener d
***** flag parameter ***
+level = 1   
***** dc model parameter ***
+ is = 3.446e-16	   n = 0.995		  rs = 4.923e-1		ikf = 2.445e-3
+ibv = 5e-3		 nbv = .8		  bv = 13
***** capacitance parameter ***
+cjo = 3.317e-11	   m = 3.300e-1		  vj = 5.654e-1
+ fc = 0.5                      
***** temperature coefficient ***
+tnom = 25		  eg = 1.168		 xti = 3
+trs1 = 1.642e-5	trs2 = 2.017e-6		tbv1 = 6.434e-4		tikf = 3.273e-2
.ends BZT52-B13S-AU
*$
