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*Varistor PSpice Model Netlist*
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*
* =EF=BF=BD 	Littelfuse Inc.
*	11th March 2004
*	version 4.0
*
* Representing typical characteristics for the following DA/DB-Series =
varistors:=20
*
* V131DA40
* V151DA40
* V251DA40
* V271DA40
* V321DA40
* V421DA40
* V481DA40
* V511DA40
* V571DA40
* V661DA40
* V751DA40
*
.SUBCKT DAMOV  1 2 PARAMS: T=3D1 C=3D1pF L=3D1nH a1=3D1 a2=3D0 a3=3D0 =
a4=3D0 a5=3D0 a6=3D100u a7=3D100u
E_non_lin	3 1 	VALUE {T*(
+ 			a1+a2*(log10(limit(v(4),a7,1g))-3)
+			+a3*2^(-log10(limit(v(4),a7,1g))+3)
+			+a4*exp(-log10(limit(v(4),a7,1g))+3)
+ 			+a5*exp(log10(limit(v(4),a7,1g))-3)
+ 			-(a1+a2*(log10(-limit(v(4),-1g,-a7))-3)
+			+a3*2^(-log10(-limit(v(4),-1g,-a7))+3)
+			+a4*exp(-log10(-limit(v(4),-1g,-a7))+3)
+ 			+a5*exp(log10(-limit(v(4),-1g,-a7))-3))
+ 			+limit(v(4)/a7*v(8),-v(8),v(8)))}
L_series	5 6  {L} =20
H_H1		4 0  VH_H1 1k
VH_H1		5 7 0V
R_R2		0 4  1G =20
R_series	6 2  {a6} =20
V_V1		3 7  0V
E_x_zero	8 0 	VALUE {a1+a2*(log10(a7/1e3))+a3*2^(-log10(a7/1e3))
+			+a4*exp(-log10(a7/1e3))+a5*exp(log10(a7/1e3))}
R_x_zero	8 0  1G
C_parallel	1 5 {C}
.ENDS
*
.SUBCKT V131DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D10nF a1=3D250.3 =
a2=3D9.855 a3=3D-3.115 a4=3D0.2016 a5=3D3.161 a6=3D2.405E-3
.ENDS
*
.SUBCKT V151DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D8nF a1=3D300.3 =
a2=3D11.83 a3=3D-3.737 a4=3D0.242 a5=3D3.793 a6=3D2.886E-3
.ENDS
*
.SUBCKT V251DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D5nF a1=3D488 =
a2=3D19.22 a3=3D-6.073 a4=3D0.3932 a5=3D6.163 a6=3D4.689E-3
.ENDS
*
.SUBCKT V271DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D4.5nF a1=3D538.1 =
a2=3D21.19 a3=3D-6.696 a4=3D0.4335 a5=3D6.795 a6=3D5.17E-3
.ENDS
*
.SUBCKT V321DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D3.8nF a1=3D638.2 =
a2=3D25.13 a3=3D-7.942 a4=3D0.5142 a5=3D8.059 a6=3D6.132E-3
.ENDS
*
.SUBCKT V421DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D3nF a1=3D850.9 =
a2=3D33.51 a3=3D-10.59 a4=3D0.6855 a5=3D10.75 a6=3D8.176E-3
.ENDS
*
.SUBCKT V481DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.7nF a1=3D938.5 =
a2=3D36.95 a3=3D-11.68 a4=3D0.7561 a5=3D11.85 a6=3D9.018E-3
.ENDS
*
.SUBCKT V511DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.5nF a1=3D1026 =
a2=3D40.4 a3=3D-12.77 a4=3D0.8267 a5=3D12.96 a6=3D9.859E-3
.ENDS
*
.SUBCKT V571DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.2nF a1=3D1139 =
a2=3D44.84 a3=3D-14.17 a4=3D0.9174 a5=3D14.38 a6=3D10.94E-3
.ENDS
*
.SUBCKT V661DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2nF a1=3D1314 =
a2=3D51.74 a3=3D-16.35 a4=3D1.059 a5=3D16.59 a6=3D12.62E-3
.ENDS
*
.SUBCKT V751DA40 1 2 PARAMS: TOL=3D0
X1	1 2	DAMOV PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D1.8nF a1=3D1502 =
a2=3D59.13 a3=3D-18.69 a4=3D1.21 a5=3D18.96 a6=3D14.43E-3
.ENDS
*