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Article #769

Re: Why don't they mark SMD caps?

#769
From: Sergey Kubushin
Date: Fri, 24 Jul 2009 17:50
41 lines
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In sci.electronics.design Archimedes' Lever <OneBigLever@infiniteseries.org> wrote:
> On Fri, 24 Jul 2009 13:06:12 +1000, "David L. Jones" <altzone@gmail.com>
> wrote:
> 
>>Archimedes' Lever wrote:
>>> On Thu, 23 Jul 2009 10:58:49 -0400, "Michael A. Terrell"
>>> <mike.terrell@earthlink.net> wrote:
>>>
>>>>   Most of what we used were marked with a two character code.  The
>>>> cheaper suppliers were unmarked.
>>>
>>>  Wrong again.  Markings fell out of vogue as part size decreased to
>>> the point where it was labor intensive to even examine the marking.
>>
>>Why do resistors of the same size still commonly have the markings then?
>>It's not about the size, we are talking 1206/0805 and other large sizes 
>>here.
>>Markings on these size caps are not common (some would say rare), and it's 
>>*always* been that way.
>>The question is why?...
>>
>>Dave.
> 
>   It maybe has "always been that way" with el cheapo brands, but I used
> to do pre-reflow inspection (post pick and place), and have loaded the
> cassettes into the picker placer, and have loaded the reels into the
> cassettes and have programmed the PCB into it... yada yada yada...
> 
>   I have seen a lot of caps that were marked, so you are either using
> cheap parts and always have, or your "always has" only amounts to a year
> or two, since they now seldom do it.

Can you poin us at not-so-cheap marked SMD capacitors so I would always use
those in my projects? I don't care if they twice the price of those unmarked
cheap ones...

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From: Sergey Kubushin <ksi@koi8.net>
Subject: Re: Why don't they mark SMD caps?
Newsgroups: sci.electronics.design,aus.electronics
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