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Could someone let me know where I can find spice models for both 1N5811 and 1N6618? I was unable to locate them in the on-line library.

Thanks,

Dan

Hello Dan,

these are approximate models for the requested diodes, newly created from the datasheets' curves/values:

.model 1N5811 D(Is=850n N=1.938 Rs=4.235m Ikf=2.584 Xti=3 Eg=1.11 Cjo=146p
+ Isr=378E-30 Bv=160 Ibv=100u Tt=43.3n Iave=6 Vpk=160 mfg=Microsemi type=Silicon)

.model 1N6618 D(Is=620.6u N=5.430 Rs=15.4m Ikf=.662 Xti=3 Eg=1.11 Cjo=192p
+ M=.414 Vj=.184 Isr=372E-30 Bv=800 Ibv=1u Tt=173n Iave=3 Vpk=800 mfg=VMI type=Silicon)


Best regards,

Gerhard Kaufmann