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On 02/07/2023 14:29, eewiz wrote:

I have found "2n7002.sym" in the following folders.

LTspice\lib\sym\EXTRA\Philips\NMOSFET

LTspice\lib\sym\EXTRA\ZETEX\NMOSFET

If you have those folders, it's because you have added them. They are not in the distribution.

I'm also fairly sure you don't mean 2n7002.sym, because LTspice symbol files are .asy.

I highly recommend you don't mess with the distribution library folders/files, because unless you keep meticulous notes, you won't remember what you've done. Keep your own additions somewhere else, clearly labelled. Maximum portability is afforded by keeping added symbols and models in the same folder as the schematic that uses them.