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Old 11-03-2009, 09:22 AM
SNYD SNYD is offline
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Default Need Help Finding 0.75 mfd capacitor

I am in need of finding 0.75 mfd - 330 VAC capacitors. Can anyone help????
SNYD
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Old 11-03-2009, 10:32 AM
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I would try:

Radio Shack
Allied Electronics
Mouser
Jameco

Allied probably being your best bet.
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Old 11-03-2009, 10:35 AM
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I should think a higher voltage rating like 370 volts would be ok so long as it was still .75 mfd.

So might have better luck searching for this by not including "330".

Also capacitors are abbreviated uF

So maybe search for

.75uF capacitor AC

or...

.75uF capacitor 370 AC

or 370 vac capacitors

(Might call and ask some of the places you find with the last search.)
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Old 11-03-2009, 11:15 AM
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Any electronic store such as the ones mentioned, or Frys, should have something. What is your application? If it is something like HVAC then a 370 VAC might be a better number. 1.414 X 240 = 339 volts!

But if the application calls for 370, it is available I am sure. In most applications, there is no downside to using a capactor with a higher max. voltage rating.
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Old 11-03-2009, 12:39 PM
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Quote:
Originally Posted by SNYD View Post
I am in need of finding 0.75 mfd - 330 VAC capacitors. Can anyone help????
SNYD
Depending on your application, try Grainger.
Two 165v 1.5 uF in series will give you 0.75 uF @ 330vac [but you need some voltage sharing resistors] , or two 0.375 uF 330v in parallel will give you 0.75 uF @ 330v.

And what's your tolerance on the 0.75?

Last edited by Thatguy; 11-03-2009 at 04:17 PM.
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Old 11-03-2009, 09:09 PM
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The voltage rating on a capacitor is essentially its insulation rating...the point where it might short out by flashover or piercing the insulation layer. So, normally, using one with a higher voltage rating isn't an issue.
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Old 11-03-2009, 09:31 PM
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http://ca.mouser.com/Search/Refine.a...VAC+capacitors

Do you have a parts number? or a company?
Check this out, maybe, http://ph.mouser.com/Passive-Compone...tors/_/N-5g7r/

http://itemlistings.****.com/sdcsrp?...52&xm&var=ngvi Do a search on e b a y I found one.

Type in,
MALLORY 72-86MFD 330 VAC PSU7230B 235-9528-04 CAPACITOR I would think, this would work, 9.50.
If I am wrong, please don't chop my head, just not enough information, but i hope this helps.

Last edited by Cookie; 11-03-2009 at 10:30 PM.
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