[Boatanchors] transistor help needed

[Pete Lancashire]

Can I (we) get a picture or two of this/these little gem/s ?

Usually by the time a JEDEC designation was created the
TO or Transistor Outline was also fixed.

>From what I can find the outline was a TO-25

http://www.jedec.org/download/pub95/archive/to-025.pdf

-pete





> My transistor manual shows the base diagram of a 2N224 as having a small
> tab near the emitter lead; clockwise the base is next and then the
> collector.
>
> The (really) OLD 2N224's I have do not have a tab, only a small red line
> on the side and I think this red line is marking the collector, but that
> is where I am not sure.
>
> Was (is) there a conventional marking system for these old transistors?
>
> Any help/ideas will be greatly appreciated!
>
> TIA es 73
> Gene, WØQFC
> Spring Hill FL
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