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'[EE:] SMT Capacitor coding'
2004\04\19@020407 by dr. Imre Bartfai

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Hello PICListers,

I have the following question: we are working with SMT parts. Most of them
(resistors, transistors, diodes) are marked with their values or with a
code can be decyphered. However, capacitors obviously do not have such
marking. My question is: is there a simple (i. e. without a measuring
device) to determine the value of a SMT capacitor? And if not (I guess),
then why is it so?

Regards,
Imre

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2004\04\19@021443 by Spehro Pefhany

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At 08:12 AM 4/19/2004 +0200, you wrote:
>Hello PICListers,
>
>I have the following question: we are working with SMT parts. Most of them
>(resistors, transistors, diodes) are marked with their values or with a
>code can be decyphered. However, capacitors obviously do not have such
>marking. My question is: is there a simple (i. e. without a measuring
>device) to determine the value of a SMT capacitor? And if not (I guess),
>then why is it so?

If you have only a few types, you may be able to distinguish (given those
lots) by slight differences in color or size.

Some do have the value marked, but it is only visible when you look at
the surface at an angle (the markings are clear).

If you're not sure, a C meter works fine.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
.....speffKILLspamspam@spam@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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