Re: TO-220 pinout standard?

<mrdarrett@[EMAIL PROTECTED]
> wrote in message 
news:fd4d48c0-8c69-4c14-b6c9-f090c696beaf@[EMAIL PROTECTED]
> Is it standard that a TO-220 transistor package is, with the tab up,
> with the markings facing you, Base, Collector, Emitter?  (for example,
> on the TIP31A)
>
> I noticed the TO-92 2N3904 I have is (with the markings facing me) E B
> C, and a TO-92 2N2222 data sheet even shows C B E !!!
>
> Michael

The TO-220 package is used for many devices not just transistors.
The pinout is what the data sheet says it is.
Always consult the data sheet if the leads are not marked.

Tom