At 12:51 AM 27/04/01 -0500, you wrote: >At 03:31 PM 4/27/01 +1000, David Duffy wrote: >>At 11:57 PM 26/04/01 -0500, you wrote: >>>Turns out, it was a 0.1uF leaded monolithic cap, that had developed an >>>internal "short" of 11.2k. >>> >>>I've seen them fail shorted (near zero R) before, and open, but never 10k! >>> >>>It's a more complicated failure though, as I wasn't able to pull it up to >>>5V, even with a 1k resistor. >>>47 ohms got it there though. Sort of like a bad zener, and definitely not >>>what you expect from a capacitor! >>> >>>FWIW, there's the culprit. >> >>I always use MKT's for audio and timing applications. The mono's seem >>to curl up and die when used for other than PSU de-coupling purposes. >>Maybe it shouldn't be so, but repair experience has shown it to be true. >>Regards... > >All this one had to do was get charged and discharged through 10k and >10-150k resistors to 5V. >Hardly a stressful app.. All I can say is that's exactly how I've seen them fail. :-) Can't explain it - it just happens!! Regards... -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads