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******************************* *Varistor PSpice Model Netlist* ******************************* * * =EF=BF=BD Littelfuse Inc. * * April 6, 2007 * version 4.3 * * Representing typical characteristics for the following TMOV34S-Series = varistors:=20 * * TMOV34S111M TMOV34S131M TMOV34S151M TMOV34S181M * TMOV34S201M TMOV34S251M TMOV34S271M TMOV34S301M * TMOV34S321M TMOV34S331M TMOV34S351M TMOV34S391M * TMOV34S421M TMOV34S461M TMOV34S481M TMOV34S511M * TMOV34S551M TMOV34S571M TMOV34S621M TMOV34S661M * TMOV34S681M TMOV34S751M * .SUBCKT TMOV34S 1 2 PARAMS: T=3D1 C=3D1pF L=3D1nH a1=3D1.00 = a2=3D23.63E-3 a3=3D275.397E-6=20 + a4=3D-1.07E-3 a5=3D2.912E-3 a6=3D2.452E-3 a7=3D100u E_non_lin 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} =20 H_H1 4 0 VH_H1 1k VH_H1 5 70 0V R_R2 0 4 1 =20 R_series 6 2 100u =20 V_V1 3 70 0V E_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 1 C_parallel 1 5 {C} .ENDS .SUBCKT TMOV34S111M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D11.5nF a1=3D2.345=20 .ENDS * .SUBCKT TMOV34S131M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D10nF a1=3D2.391=20 .ENDS * .SUBCKT TMOV34S141M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D9nF a1=3D2.432=20 * .SUBCKT TMOV34S151M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D8nF a1=3D2.47=20 .ENDS * .SUBCKT TMOV34S181M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D6.8nF a1=3D2.537 .ENDS * .SUBCKT TMOV34S201M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D6.5nF a1=3D2.595=20 .ENDS * .SUBCKT TMOV34S251M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D5nF a1=3D2.681=20 .ENDS * .SUBCKT TMOV34S271M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D4.5nF a1=3D2.723=20 .ENDS * .SUBCKT TMOV34S301M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D4.05nF a1=3D2.769=20 .ENDS * .SUBCKT TMOV34S321M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D3.8nF a1=3D2.797 .ENDS * .SUBCKT TMOV34S331M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D3.7nF a1=3D2.814=20 .ENDS * .SUBCKT TMOV34S351M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D3.5nF a1=3D2.838=20 .ENDS * .SUBCKT TMOV34S391M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D3.3nF a1=3D2.882=20 .ENDS * .SUBCKT TMOV34S421M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D3nF a1=3D2.922=20 .ENDS * .SUBCKT TMOV34S461M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.8nF a1=3D2.941=20 .ENDS * .SUBCKT TMOV34S481M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.7nF a1=3D2.965=20 .ENDS * .SUBCKT TMOV34S511M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.5nF a1=3D3.003=20 .ENDS * .SUBCKT TMOV34S551M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.25nF a1=3D3.022=20 .ENDS * .SUBCKT TMOV34S571M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.2nF a1=3D3.049=20 .ENDS * .SUBCKT TMOV34S621M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2.1nF a1=3D3.081=20 .ENDS * .SUBCKT TMOV34S661M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D2nF a1=3D3.111=20 .ENDS * .SUBCKT TMOV34S681M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D1.97nF a1=3D3.127=20 .ENDS * .SUBCKT TMOV34S751M 1 2 PARAMS: TOL=3D0 X1 1 2 TMOV34S PARAMS: T=3D{1+TOL/100} L=3D20nH C=3D1.8nF a1=3D3.169=20 .ENDS *