[sdiy] Dead TL072

Pete Hartman pete.hartman at gmail.com
Mon Mar 20 14:30:25 CET 2017


I did a TL071 or 72 backwards a while back and it blew the lid off the
package!

Though I have had them survive if I got the power turned off quickly enough.

Pete

On Mon, Mar 20, 2017 at 7:03 AM, Synovatron <synovatron at btinternet.com>
wrote:

> Way to go Tom!
>
> I once fitted a 741 (way back when they were cutting edge) in its socket
> the wrong way round, it got so hot that it burned my finger print into it
> when I touched it. I pulled the 741 out, dropped it, trod on it, bent the
> pins back to shape, inserted it the right way round and it actually worked!
> Top that!
>
> Best
> Tony
>
> Sent from my iPhone
>
> > On 20 Mar 2017, at 11:32, Tom Wiltshire <tom at electricdruid.net> wrote:
> >
> > I actually managed to kill a TL072 the other day. It started to get
> warm, then hot, and finally it burned a small hole in the chip package and
> that was that.
> >
> > I checked everything over and the circuit it was in was not the cause.
> Instead it was a chip that I've abused for much too long and it finally
> gave up the ghost. I have a few TL072s in a piece of antistatic foam that I
> use for breadboarding, and some of them have been in this role for years -
> possibly 20 years - so they've really taken a beating one way or another.
> >
> > I'm impressed that they're as tough as they are. That's the first time
> I've ever seen a op-amp melt.
> >
> > Tom
> >
> >
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