***********************************************************************
***********           PANJIT International Inc.             ***********
***********************************************************************
*Nov 01, 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 BZX584C4V7-AU A K 
.param
+vc0 = 9.446e-10 	 vc1 = 9.846e-10	 vc2 = 1.000e0		 vc3 = 3.436e-10             vc4 = 9.992e0
+tc1 = 8.651e-3		 tc2 = 4.921e-3		 tc3 = 3.751e-3		 tc4 = 7.321e-3
.func irpwr(v) {(vc0+vc1*v**vc2)*(1.0+tc1*(temp-25)*exp(tc2*(temp-25)))+(vc3*v**vc4)*(1.0+tc3*(temp-25)*exp(tc4*(temp-25)))}
d1 A K zener
g1 K A value = {irpwr(v(K,A))}
.model zener d
***** flag parameter *****
+level = 1 
***** dc model parameter *****
+ is = 1.709e-15	   n = 1.035		  rs = 3.7124e-1
+ibv = 1e-3		 nbv = 1.0		  bv = 4.7
+ikf = 2.904e-1
***** capacitance parameter *****
+cjo = 1.4106e-10	   m = 6.4214e-1	  vj = 1.838 
+ fc = 0.5
***** temperature coefficient *****
+tnom = 25		  eg = 1.080		 xti = 3
+trs1 = 9.285e-4	trs2 = 5.885e-6		tikf = 7e-3
+tbv1 = -2.112e-4	tbv2 = 4.026e-7
.ends BZX584C4V7-AU
*$
