Geda/ngspice scr model lacking

Does anybody know how to get a SCR model in Geda/ngspice? I want to model forced commutation circuits since I don't really have the means to experiment much with real components and I want my design to stand a good chance of working before I try it!

There isn't a SCR symbol in Geda's library, and although I can find models for SCR's on the net, can't find a way to import them (I believe ngspice should be able to import pspice models)

I don't think using the two-transistor equivalent would be an adequate simulation for what I want - or can someone suggest how to accurately model a SCR, including recombination time?

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alexis.happyphoenix
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