Could not find valid modelname after having pointed to library

Schematic Simulation (Ngspice)
1

I’m trying to get a diode to work in a schematic. I’ve used the 1N4148w (cause the video I was watching used it), used an alternate pin order, and downloaded and set the lib file for that object. Whenever I try to run the simulation, it throws me an error of,

“Error on line 5 :
d1 net-d1-pad2 0 1n4148w
could not find a valid modelname”

I thought maybe the file I grabbed was no good, so I edited it to be exactly the same as the video, to no avail. I’ve tried setting to multiple compatibility modes as well.

KiCad version is 6.0.1

2

It may be that there is a regression bug in ngspice-35 concerning model names starting with a number. This has been fixed in ngspice-36.

So rename the diode to N1N4148w and change the name in the .model line as well:
.model N1N418w d ( ....

1 Like
3

That fixed the error. Thank you for the help.

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