***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Jan 19, 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-B27S-AU A K
.param
+vc0 = 2.873e-11	vc1 = 5.316e-12		vc2 = 3.007e-14
+tc1 = 2.301e-2		tc2 = 3.359e-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 = 8.297e-15	   n = 1.066		  rs = 5.753e-1		ikf = 2.902e-4
+ibv = 5e-3		 nbv = 2		  bv = 27
***** capacitance parameter ***
+cjo = 1.724e-11	   m = 3.636e-1		  vj = 6.836e-1
+ fc = 0.5                      
***** temperature coefficient ***
+tnom = 25		  eg = 1.100		 xti = 3
+trs1 = 1.682e-5	trs2 = 1.816e-6		tbv1 = 9.832e-4		tbv2 = -1.176e-6		tikf = 8.973e-2
.ends BZT52-B27S-AU
*$
