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Pastyface Capacitor question

Started by Background Noise, February 25, 2011, 11:44:41 PM

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Background Noise

Newbie question number 2.

I believe I have ordered incorrect caps.

I have ceramic caps at C2 and C7, which I believe to be correct.

Clearly the box caps I order for the other values will not work.

Is this what I should have ordered?
http://www.smallbearelec.com/Categories.bok?category=Capacitors,+Mallory+150+Series+Poly+Film

I am also making a slambox and a yellow shark.  What type if cap is C1 on the slambox?  I believe the yellow shark is all box caps correct?

Thanks for the help, an active forum is better than a manual.

irmcdermott

It looks like the Pastyface might use axial capacitor all around (except those ceramics you bought), so those Mallory 150s should work. You might be able to fit some Orange Drops in there as well. However, as long as your box caps are the right value and the leads are long (like Topmays are), you can probably manipulate the leads to sit in there.

It looks like C3 and C9 are also axial electrolytics, but again if you have radials and the leads reach, you can still use them. With either case, it just might "look" a little odd, but it should work.

I've always used a box cap for C1 on every Slambox I've built. You can use box caps for the Yellow Shark.

Background Noise

Thanks.

It was the only thing I was not sure about my order, lesson learned.

I will go ahead and buy the axials.  I will experiment at later date, with some experience under my belt.

I don't make it down there often, but I have family in Smyrna.  I may have the opportunity to buy you a beer.

Thanks again.

Background Noise

Ok back to confused.

I went to Small Bear they are out of the Malory 150 at 10uF at C3.  I am willing to order from Newark who obviously has a wide selection of axial caps.  What I am not sure of is the voltage rating.  Am I correct that the pedal runs at 9 volts?  A meager rating for axial caps correct?  The Malorys are a massive 640 volt.  What voltage rating (and brand if it matters) would you recommended.

http://www.newark.com/jsp/search/browse.jsp?N=500003+1001309+5509174+209416+5491252&No=0&Ns=PRICE_PLS_001_PRICE1|0&Ntk=gensearch_001&Ntt=axial+capacitior&Ntx=mode+matchallpartial&locale=en_US&appliedparametrics=true&getResults=true&catalogId=&prevNValues=500003+1001309+5509174+209416&filtersHidden=false&appliedHidden=false&originalQueryURL=/jsp/search/browse.jsp%3FN%3D500003%2B1001309%26Ntk%3Dgensearch_001%26Ntt%3Daxial%2Bcapacitior%26Ntx%3Dmode%2Bmatchallpartial%26No%3D0%26getResults%3Dtrue%26appliedparametrics%3Dtrue%26locale%3Den_US%26catalogId%3D%26prevNValues%3D500003%2B1001309

Second C6 is listed at 15n.  According to a conversion chart I saw this comes out to .015.  This seems to be an odd axial cap to find.  Is this what I am looking for?

http://www.newark.com/cornell-dubilier/wmf1s15k-f/capacitor-polyester-0-015uf-100v/dp/66K4996


jkokura

If you're running a pedal at 9v, anything over 9v is fine. It could be a 10v rated cap, or a 100v, or a 1000v. To the circuit, it's all the same. However, to the builder it simply means a bigger cap usually. The larger the voltage rating, the larger the part (usually).

Your first link didn't show anything, but the second one seems to work fine. That's the right kind of cap as far as the datasheet seems to indicate.

http://www.cde.com/catalogs/WMF.pdf

Check that datasheet out. It tells you all sorts of measurement info, and in that case, it also gives you an image you can reference to what the part looks like.

For what it's worth, I used a combo of those CD and Mallory Caps in my pastyface (which isn't finished yet).

Jacob
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