Re: What’s actually better?

ajparent1/kb1gmx <kb1gmx@...>

The 2N2219 is physically bigger same Die inside so yes, you can use either.
I specified the smaller can 2n2222A as most would be easily bothered by
large transistor and small space.  Neither case heat is NOT and issue.

Heat for that sot is not a big issue, space is.  So if you use 2219s insert them
(observe pin out carefully) from the underside of the board.  That will allow
more room.

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