How to install KiCAD Component Spice Model?

Schematic Simulation (Ngspice)
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Hi. I have a problem. For example I am design flyback converter and I want a simulation this circuit on KiCAD. NCP1200D is kicad library component but ıts not have a spice model. How install spice model NCP1200 or other component. Can you tell me step by step install component spice model? Thank you…

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Please have a look at
http://ngspice.sourceforge.net/ngspice-eeschema.html#OpAmp

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Here’s another hint to help get you started. You need to get the “OrCAD Templates” .zip file here and use the .lib file within. That is the PSPICE version of their library, which might be easier to deal with.
https://www.onsemi.com/PowerSolutions/supportDoc.do?type=models&rpn=NCP1200

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Thank you for your answers. I think solve this simulation problem. thanks.