[Elecraft] SMT kits and Elecraft

[David Toepfer]

I recall reading somehere a while ago that absolutely all precision
instruments/tools are fabricated in metric and the only thing that is english
is the labels and the specs which are all converted to english.  Perhaps this
was an exageration, but it seemed pretty authoritative at the time.

kb3ipe

dt
.

--- Ron D'Eau Claire <rondec at easystreet.com> wrote:
> Nope. Those are smaller than anything I've used! 
> 
> Yeah, I'm aware that many (most?) of the numbers I've seen have nothing to
> do with any parts I.D. conventions that I know!
> 
> As a technical writer I work in metric all the time. I have to convert back
> to English more than go the other way. 
> 
> Most people here don't realize that the standard system of weights and
> measures in the USA is metric. We converted by an act of Congress to Metric
> over 100 years ago. The problem was that Congress didn't make the old
> English system illegal. Still  wish they would <G>.
> 
> Never say an American can't be stubborn. (Lessee 3/32 inch times 9/16 inch
> ...ehhhhh...).  
> 
> Ron AC7AC
> 
> -----Original Message-----
> 
> Ron
> 
> Yeah mostly chip resistors have numbers using standard conventions, except
> Rohm/Eurohm who can have a really funky system, don't expect 102 to be 1K
> from some of these guys.
> 
> But MLC caps 1206 (3.2 x 1.6mm) and below are rarely marked, but depends on
> manufacturer, 0805 (2.0 x 1.25mm) have never had markings as far as I
> recall. These I would view as big passive parts, excluding chip
> electrolytic/tantalums.
> 
> Was that your definition of small?, normally we use 0603 (1.6 x 0.8mm) or
> 0402 (1 x 0.5mm) every day.
> 
> No metric comments please ;-), its an affliction but I am used to it.
> 
> John (GM1BSG)
>  
> 
> 
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