***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Nov 08, 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 1N5939B A K 
.param
+vc0 = 1.486e-11	 vc1 = 3.083e-11	vc2 = 1.000e0		 vc3 = 1.091e-13		 vc4 = 1.510e-2
+tc1 = 1.091e-2		 tc2 = 9.111e-3		tc3 = 9.091e-2		 tc4 = 5.111e-3
.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 = 1.659e-15	   n = 1.001		  rs = 4.041e-3
+ibv =9.6e-3		 nbv = 1.0		  bv = 39
+ikf = 7.592e-1
***** capacitance parameter *****
+cjo = 5.691e-11	   m = 3.312e-1		  vj = 5.982e-1 
+ fc = 0.5
***** temperature coefficient *****	
+tnom = 25		  eg = 1.148		 xti = 3
+trs1 = 3.095e-2	trs2 = -5.925e-7	tikf = 9.851e-3
+tbv1 = 8.884e-4	tbv2 = -4.011e-7
.ends 1N5939B
*$
