[sdiy] Dead TL072
synovatron at btinternet.com
Mon Mar 20 13:03:12 CET 2017
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!
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.
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