Transistor Cross Reference Germanium
This chart does have a couple of questionable entries. The same number being used by different manufacturers? The one I noted has two entries with the same number. One is NPN and the other is PNP. I have seen a FET and a junction transistor with the same number. It is a good reference just be aware the numbers may have been reused in the last 50 - 60 years since it was compiled. When you see a TO92 component listed as TO3 that's the indicator to be wary.
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