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-   -   MGM esc cap problem ( high res ) (https://www.rc-monster.com/forum/showthread.php?t=29827)

emaxxnitro 04.17.2011 09:27 PM

MGM esc cap problem ( high res )
 
http://i183.photobucket.com/albums/x...090107_002.jpg
http://i183.photobucket.com/albums/x...090107_003.jpg
The pictures say 1000 words

emaxxnitro 04.17.2011 09:41 PM

Should i try and re solder it or should i replace the capacitor?

BrianG 04.17.2011 09:53 PM

Replace it. You may be able to solder it so it is workable, but the heat so near the device may not be good.

emaxxnitro 04.17.2011 10:03 PM

can you show me a cap that will work?
Im good with the SMT stuff i do work soldering on phones all the time
It still works even with the cap disconnected it just cuts out

sikeston34m 04.17.2011 10:30 PM

Hi,

The critical numbers that you have to look for are:

105C - this is the maximum operating temperature - also points toward the fact that it is low esr.

50v - maximum operating voltage

390uf - universal farad number or capacity. This number can be larger but not smaller.

Looks like you need to match the diameter also, length doesn't matter.

I would Ebay it. :yes:

emaxxnitro 04.17.2011 10:37 PM

so nothing i could pick up at the local radio $h*t?

brainanator 04.17.2011 10:59 PM

you might be able to find it at radio shack or another local electronics store. Go take a looksee.

emaxxnitro 04.17.2011 11:00 PM

yea i think i will tomorrow.

BrianG 04.17.2011 11:26 PM

You won't find caps rated for 105*C at RS, only 85*C, and those are not sufficient....

emaxxnitro 04.17.2011 11:28 PM

Quote:

Originally Posted by BrianG (Post 404543)
You won't find caps rated for 105*C at RS, only 85*C, and those are not sufficient....

Hmmmm where then? linkies?

brainanator 04.18.2011 01:58 AM

ah, I didn't know the rat didn't carry high temp caps :)

brainanator 04.18.2011 02:06 AM

I ordered my caps from digikey, they have a funky checkout system....but I found them to be the cheapest after shipping was factored in for buying single caps and what not....

Here is the search screen on their site, http://search.digikey.com/scripts/DkSearch/dksus.dll

I tried linking you to a search I already did, but it didn't work...pretty easy search options though. Each cap should be under a buck.

emaxxnitro 04.18.2011 12:23 PM

Eh i just decided to fix it. It seemed easiest
http://i183.photobucket.com/albums/x...090107_004.jpg


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