 Mossberg 1964 Component Parts Catalog US $16.45 
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 Mossberg 1983 Gun Component Parts Catalog US $15.45
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 Remington 1950 Gun Catalog Component Parts List US $18.45
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 Remington 1962 Component Parts Catalog US $18.45
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 Remington 1967 Component Parts Catalog US $18.45
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 Remington 1983 Component Parts Catalog US $16.45
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 Savage 1924 Component Parts Catalog US $14.45
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 Savage 1932 Component Parts Catalog US $14.45
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 Savage 1940 Component Parts Catalog US $13.45
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 Savage 1942 Component Parts Catalog US $11.45
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 Savage 1955 Stevens Fox Component Parts Catalog US $18.45
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 Savage 1960 - Stevens - Fox Component Parts Catalog US $15.45
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 Stevens 1931 Component Parts Catalog US $13.45
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 Stevens 1938 Component Parts Catalog US $11.45
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 Stevens 1942 Component Parts Catalog US $14.45
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 Stevens 1946 Component Parts Catalog US $14.45
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 Winchester 1948 Component Parts Gun Catalog US $18.45
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 Winchester 1956 Component Parts Catalog US $16.45
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 Winchester 1960 Component Parts Catalog US $16.45
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 Winchester 1965 Component Parts Catalog US $16.45
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 Winchester 1967 Component Parts Catalog US $16.45
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 Winchester 1969 Component Parts Catalog US $16.45
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 Winchester 1970 Component Parts Catalog US $16.45
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 Winchester 1972 Component Parts Catalog US $16.45
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Can someone explain the voltage quoted with capacitors in catalogues?
I need to buy some capacitors for a DIY project, but I'm a little confused as to what is required.
I have a list of items with corresponding US Radio Shack part numbers. As I want to order the components in the UK, I'm trying to find similar components from UK suppliers, but the specifications of the capacitors are confusing me.
The circuit which will incorporate the capacitors is powered by a 9V DC battery.
The capacitors I need are as follows:
1 x 10uF electrolyte capacitor
1 x 1uF electrolyte capacitor
1 x 0.01uF (10nF) ceramic capacitor
If I search for these items in the RS catalogue (http://uk.rs-online.com), the voltage displayed next to the search results for the query "ceramic capacitor" start at 100V DC, and go up to 30,000V DC. Are *any* of these capacitors suitable? Have I got the wrong end of the stick?
Thanks in advance for taking the time to help - I appreciate it.
Ah brilliant, that explains it. Thanks very much!
Thanks for the extra info.
Yes. The voltage shown is the maximum D.C. voltage that you can apply across the capacitor before the component is at risk of failing. In general terms, as long as the quoted voltage is higher than your circuit will actually apply, you will be OK.
The only exception to bear in mind is that electrolytic capacitors, because of the way they work, it's better not to use one with a maximum voltage which is hugely greater than the working voltage.
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