On Sat, 18 Jan 2020 15:02:31 -0800 (PST), wrote:

On Saturday, 18 January 2020 21:11:24 UTC, Cursitor Doom wrote:
Gentlemen,

How reliable are the old 'tin-can' encapsulated op-amps from say 40
years ago? I'm talking about the ones that look like large transistors
and have typically 8 leads in the TO5-8 package. I'm unable to provide
a part number as these don't have one as such. Could be a 741 perhaps
but I can't be certain. Are they known to fail?

thanks.

The problem components from that era are lytics of course and glob-top transistors.

OK, I have to know.. "Glob-top"??
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No deal? No problem! :-D