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Old 18th February 2013, 12:02 PM   #11
2bz is offline 2bz  United States
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Originally Posted by DUG View Post
I would have to agree that according to Figure 3-23. - Ceramic capacitor color code, the silver could be the first and represent a temperature coefficient.

That would make it

brown =1
green =5
red =2

or 15 x 10^2 = 1500pF at probably 20% tolerance (no band for tolerance)

Learn something every day.

My LC meter says 1,932.7 pF!

Measure it and tell us what the value is...250pF or 1500pF.

Even a cheap meter can tell the difference.
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Old 18th February 2013, 12:04 PM   #12
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Location: The Jurassic Coast, England. GB
and look at
File:EIA Capacitor Color Codes.jpg - Wikipedia, the free encyclopedia

I hope that clarifies your query.
Colour codes are the same value as resistors. Most "Dog Bone" condensers have an arrow to show the direction to read the colours but bear in mind, we were limited to E12 values unless they are special value components.
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Old 18th February 2013, 12:57 PM   #13
2bz is offline 2bz  United States
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My LC meter says 1,932.7 pF!
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Old 18th February 2013, 01:37 PM   #14
12E1 is offline 12E1  United Kingdom
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Originally Posted by 2bz View Post
My LC meter says 1,932.7 pF!
On old ceramics (and even some newer ones) tolerances could often be far greater than +/- 20%. 40% would not be than uncommon. Where a much closer tolerance was required, other types such as silver-mica would sometimes be used.
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Old 18th February 2013, 09:23 PM   #15
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Location: Wayne, West Virginia
If the tolerance band (silver) is read first then:
152 = 1500pf
Are you are using the meter leads to attach to the cap in question? If so you must null out the capacitance of the leads or subtract the value of lead capacitance and your hands if you are holding the leads. That value can be several hundred pf.
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