***********************************************************************
***********           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-B15S A K
.param
+vc0 = 1.177e-10	vc1 = 4.296e-11		vc2 = 1.141e-11
+tc1 = 5.708e-3		tc2 = 2.116e-3		
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 = 5.297e-16	   n = 1.015		  rs = 5.203e-1		ikf = 7.573e-3
+ibv = 5e-3		 nbv = .5		  bv = 15
***** capacitance parameter ***
+cjo = 2.876e-11	   m = 3.301e-1		  vj = 5.575e-1
+ fc = 0.5                      
***** temperature coefficient ***
+tnom = 25		  eg = 1.175		 xti = 3
+trs1 = 1.659e-5	trs2 = 4.132e-6		tbv1 = 8.372e-4		tbv2 = -1.228e-6		tikf = 4.613e-3
.ends BZT52-B15S
*$
