[Boatanchors] transistor help needed

Pete Lancashire pete at petelancashire.com
Fri Sep 4 17:05:29 EDT 2009


a real quick google search came up with this

http://www.e-radiocontrol.com.ar/downloads/vintage/rxtxpulso/Single%20Channel%20Rx%2026-28%20MC.pdf

check near bottom of pg 5

-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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