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subckt V320LA40B 1 2 ; (320 Vac, 40 Joules)
* 20mm diameter disc, 420 Vdc max, 810 Vmax @ 100A
R1 1 3 54m ; series resistance
B1 3 2 I= 2.2e-15*(exp(abs(V(3,2))/22)-1)*sgn(V(3,2)) ; varistor equation
* Note the use of abs and sgn functions to achieve bidirectional current flow
C1 3 2 750p ; parallel capacitance (real value and aids convergence)
R2 3 2 4.4G ; parallel resistance
.ends V320LA40B
which B is non-linear voltage depend source
hspice have others
http://www.eecg.toronto.edu/~johns/spice/appendices.html
===
pspice model
********************************Varistor PSpice Model Netlist********************************** =EF=BF=BD Littelfuse Inc* =20** December 7, 2001* version 4.2**=20*.SUBCKT CHMOV 1 2 PARAMS: T=3D1 C=3D1pF L=3D1nH a1=3D1 a2=3D0 a3=3D0 =a4=3D0 a5=3D0 a6=3D100u a7=3D100uEnonln1 3 1 VALUE {T*(+ 10^(+ +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)+ +a6*2^(log10(limit(v(4),a7,1g))-3)+ )+ -10^(+ 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)+ +a6*2^(log10(-limit(v(4),-1g,-a7))-3)+ )+ +limit(v(4)/a7*v(8),-v(8),v(8))+ )}L_series 5 6 {L} =20H_H1 4 0 VH_H1 1kVH_H1 5 70 0VR_R2 0 4 1G =20R_series 6 2 100u =20V_V1 3 70 0VE_x_zero 8 0 VALUE {10^(+ a1+a2*(log10(a7/1e3))+ +a3*2^(-log10(a7/1e3))+ +a4*exp(-log10(a7/1e3))+ +a5*exp(log10(a7/1e3))+ +a6*2^(log10(a7/1e3))+ )}R_x_zero 8 0 1GC_parallel 1 5 {C}.ENDS.SUBCKT V22CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D1.6nF a1=3D1.467 =a2=3D6.074E-2 a3=3D1.119E-2 a4=3D-1.691E-3 a5=3D2.383E-2 a6=3D9.805E-3.ENDS*.SUBCKT V27CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D1.3nF a1=3D1.556 =a2=3D6.074E-2 a3=3D1.119E-2 a4=3D-1.691E-3 a5=3D2.383E-2 a6=3D9.805E-3.ENDS*.SUBCKT V33CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D1100pF a1=3D1.643 =a2=3D6.074E-2 a3=3D1.119E-2 a4=3D-1.691E-3 a5=3D2.383E-2 a6=3D9.805E-3.ENDS*.SUBCKT V39CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D900pF a1=3D1.715 =a2=3D6.074E-2 a3=3D1.119E-2 a4=3D-1.691E-3 a5=3D2.383E-2 a6=3D9.805E-3.ENDS*.SUBCKT V47CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D800pF a1=3D1.796 =a2=3D6.074E-2 a3=3D1.119E-2 a4=3D-1.691E-3 a5=3D2.383E-2 a6=3D9.805E-3.ENDS*.SUBCKT V56CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D700pF a1=3D1.872 =a2=3D6.074E-2 a3=3D1.119E-2 a4=3D-1.691E-3 a5=3D2.383E-2 a6=3D9.805E-3.ENDS*.SUBCKT V120CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D300pF a1=3D2.182 =a2=3D5.787E-2 a3=3D1.393E-2 a4=3D-2.074E-3 a5=3D1.549E-2 a6=3D-6.7E-4.ENDS*.SUBCKT V150CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D250pF a1=3D2.279 =a2=3D5.787E-2 a3=3D1.393E-2 a4=3D-2.074E-3 a5=3D1.549E-2 a6=3D-6.7E-4.ENDS*.SUBCKT V180CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D200pF a1=3D2.358 =a2=3D5.787E-2 a3=3D1.393E-2 a4=3D-2.074E-3 a5=3D1.549E-2 a6=3D-6.7E-4.ENDS*.SUBCKT V200CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D180pF a1=3D2.404 =a2=3D5.787E-2 a3=3D1.393E-2 a4=3D-2.074E-3 a5=3D1.549E-2 a6=3D-6.7E-4.ENDS*.SUBCKT V220CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D160pF a1=3D2.446 =a2=3D5.787E-2 a3=3D1.393E-2 a4=3D-2.074E-3 a5=3D1.549E-2 a6=3D-6.7E-4.ENDS*.SUBCKT V240CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D150pF a1=3D2.483 =a2=3D5.787E-2 a3=3D1.393E-2 a4=3D-2.074E-3 a5=3D1.549E-2 a6=3D-6.7E-4.ENDS*.SUBCKT V360CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D100pF a1=3D2.619 =a2=3D3.426E-2 a3=3D7.355E-3 a4=3D-1.093E-3 a5=3D1.392E-3 a6=3D2.721E-2.ENDS*.SUBCKT V390CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D90pF a1=3D2.653 =a2=3D3.426E-2 a3=3D7.355E-3 a4=3D-1.093E-3 a5=3D1.392E-3 a6=3D2.721E-2.ENDS*.SUBCKT V430CH8 1 2 PARAMS: TOL=3D0X1 1 2 CHMOV PARAMS: T=3D{1+TOL/100} L=3D2.5nH C=3D80pF a1=3D2.696 =a2=3D3.426E-2 a3=3D7.355E-3 a4=3D-1.093E-3 a5=3D1.392E-3 a6=3D2.721E-2.ENDS* |
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发表于 2015-7-7 10:09:10
