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Article #782Re: Why don't they mark SMD caps?
From: David L. Jones
Date: Thu, 23 Jul 2009 22:17
Date: Thu, 23 Jul 2009 22:17
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Rich Grise wrote: > On Thu, 23 Jul 2009 15:59:19 +1000, David L. Jones wrote: >> ... >> Any know the real reason(s) why ceramic SMD caps don't have markings? > > Money. > > It's way too expensive to mark teeny tiny little parts that nobody's > ever going to look at anyway - the reels are clearly marked, and > they're loaded into the stuffing machine, and that's the last human > interaction the parts will ever see. > > If you're hand-prototyping, you'd either have to mark them yourself > or mark the tape carrier or bin or envelope where you're keeping them. Then why do they mark the exact same size resistors? Resistors are generally cheaper than caps, so it would make more sense not to mark the resistors to increase the margin, so it would be the other way around, if that's the real reason. Dave. -- --------------------------------------------- Check out my Electronics Engineering Video Blog & Podcast: http://www.alternatezone.com/eevblog/
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X-Google-Thread: a5a6238865,26f718ada9b9cff2 X-Google-Attributes: gida5a6238865,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!news1.google.com!npeer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post01.iad.highwinds-media.com!newsfe06.iad.POSTED!a2502347!not-for-mail From: "David L. Jones" <altzone@gmail.com> Newsgroups: sci.electronics.design,aus.electronics References: <Z_S9m.29971$ZN.18539@newsfe23.iad> <pan.2009.07.23.19.06.53.738790@example.net> Subject: Re: Why don't they mark SMD caps? Lines: 28 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 X-RFC2646: Format=Flowed; Original Message-ID: <Fj5am.30260$3m2.12993@newsfe06.iad> X-Complaints-To: abuse@teranews.com NNTP-Posting-Date: Thu, 23 Jul 2009 22:17:09 UTC Organization: TeraNews.com Date: Fri, 24 Jul 2009 08:17:16 +1000