[sdiy] SMT caps got me worrying

dan snazelle subjectivity at hotmail.com
Wed May 4 16:30:51 CEST 2011


I  believe I read on these electrolytic, that the black band is negative

I hope ;)




On May 4, 2011, at 10:24 AM, Tom Corbitt wrote:

> One mistake I commonly see with anyone new to SMT caps, especially
> tantalum; the band denotes the POSITIVE side, not negative like
> electrolytic caps.
> 
> Trust me, the tants will let you know when they are unhappy....
> 
> Tom Corbitt
> 
> On Tue, May 3, 2011 at 12:37 PM, dan snazelle <subjectivity at hotmail.com> wrote:
>> So I am starting to incorporate SMT into my projects.
>> 
>> For the first time I am using a electrolytic  cap (a panasonic, 16volt 100uf)
>> 
>> In the specs on Mouser it has this comment
>> 
>> "Load life-1000 hours"
>> 
>> WOW
>> 
>> 
>> (see for yourself)
>> 
>> 667-EEE-1CA101WAP
>> 
>> That is less hours than there are in a year!
>> 
>> That doesnt sound like many.
>> 
>> My questions are
>> 
>> 1. Does that mean the cap will DIE after 1000 hours?
>> 2. Is that figure just a way for the company to cover themselves and should I actually expect many more hours?
>> 
>> 
>> Thanks!
>> 
>> 
>> 
>> 
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at dropmix.xs4all.nl
>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>> 
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> 




More information about the Synth-diy mailing list