[sdiy] Re: TO-xx Transistor codes question

[harrybissell]

No... 3055 is in the TO-3 package.  There is also a smaller power unit that
looks the same called TO-66

The TO-5 is a medium size can for transistors and some old ICs with up to
10 leads  (maybe 12 in a really rare case...)

H^) harry

"Michael E. Caloroso" wrote:

> Steven Downhill wrote:
> > Can anybody explain what the various transistor TO-xx codes mean e.g. TO-5,
> > TO-18, TO-92 etc?.
> > I can't seem to find much information on the net about it.
>
> TO-xx denotes package types.  TO-92 is a common plastic/ceramic package
> for small signal transistors like the 2N3094, while TO-5 is a common
> large metal package for power transistors like the 2N3055.
>
> MC