Path: ...!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: liz@poppyrecords.invalid.invalid (Liz Tuddenham) Newsgroups: sci.electronics.design Subject: Re: Survivor! Date: Wed, 20 Mar 2024 09:45:50 +0000 Organization: Poppy Records Lines: 26 Message-ID: <1qqpolx.1arp4xj1pmszxqN%liz@poppyrecords.invalid.invalid> References: X-Trace: individual.net UqPQNNIr8WJbqCvihaS4cwDnVhMNhwUPPNyqZ9Y5G58I/mqKD5 X-Orig-Path: liz Cancel-Lock: sha1:UCpvfBcGbbC968Y4/6VjZUZ8YXI= sha256:uQ+nQRMK4oJmtiw1ctxgqrT3BgCOs94h+UWo1jQ+s3w= User-Agent: MacSOUP/2.4.6 Bytes: 1799 Cursitor Doom wrote: > Hi all, > > Just a quick one. But first, I'd just like to reiterate that I'm > noting your comments on the ripple thread and will deal with them in > due course when i have a couple of hours to spare next Sunday. > Yesterday I had 2 minutes to waste so I blew up another electrolytic > capacitor - or rather I *tried* to. A 10uF 10V cap across the output > of a variac with Vo set to 240VAC. There was a considerable *pop* but > no bang and it turned out the T3.15 Amp fuse in the variac had blown > spectacularly - but the cap had survived unscathed! Tested fine for > capacitance and ESR! I never would have believed it. Just wondering > how the hell it didn't get destroyed... It's only doing it to annoy you. Make sure it is run well within its ratings and put it on a board that has to be buried several layers deep in some complicated equipment and is rivetted in place. It will fail in no time at all and probably take several other valuable components with it. -- ~ Liz Tuddenham ~ (Remove the ".invalid"s and add ".co.uk" to reply) www.poppyrecords.co.uk