which cap is this?

Frequently asked questions on capacitor types, ratings, brands, use and abuse.

which cap is this?

Postby dtjesus » 14 Dec 2009, 15:24

Is this cap a non-polar 1uf or 0.1uf?
any ideas?
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Re: which cap is this?

Postby Dr Tony Balls » 14 Dec 2009, 15:33

my guess is 10pF, but get another opinion. The numbering scheme is a little out of order looking, but normally the 3 numbering scheme works like so:

cap will say "XYZ"

X = first number of capacitance
Y = second number of capacitance
Z = number of zeroes following the first two numbers

and it will provide the capacitance in PICOfarads. so for example...

104 = 100000pF = .1uF

332 = 3300pF = .0033uF
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Re: which cap is this?

Postby andre » 14 Dec 2009, 15:46

It's a 0.1uF/100V capacitor
I have a lot of capacitors that have this kind of notation.
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Re: which cap is this?

Postby dtjesus » 14 Dec 2009, 15:59

thanks guys for the quick response.
andre, you are right. i always assumed the lot of these caps i had to be 0.1uf until yesterday when i began to doubt if its a 1u non-polar. scary thought as i would have had to pull these out of all my previous builds :p
its a confusing marking and i cant really seem to find any info online on this type of marking
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