Knocked cap off GPU old 8800GTX. Just wondered what you guys thought. The ripple current of the TFVs looks low. Which one would you buy? Please justify your answer. Or if Chemicon or other brand is better please elaborate. 
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Re: OSCON SVP vs Rubycon TFV?
What do you mean "ripple current ~~ looks low".
Reference board was probably based on using a regular lytic there and pretty much any poly is over-kill. [Vid cards are a good place to have a bit of over-kill.]
Replacement would depend on what Ripple and ESR are for the old cap.
As long as it matches or is better then any good brand will do fine.
.Mann-Made Global Warming.
- We should be more concerned about the Intellectual Climate.
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Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
- Dr Seuss
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You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
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Re: OSCON SVP vs Rubycon TFV?
Oh so the OSCONS are the best and Rubycon really has no competing product. They seem to be superior to the Chemicons as well. Higher ripple means better handling, yes? too bad I can't find the SVPCs.
Sorry forgot to mention board came with SVPs. I wonder why Sanyo doesnt make a larger OSCON board cap? Looks like it would be superior to a Rubycon. Possibly heat?
Last edited by ColdFlo; 03-08-2009, 04:45 PM.Comment
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Re: OSCON SVP vs Rubycon TFV?
That's not even close to what I said.
Especially when it comes to solid polys~~~~
'Brand' doesn't matter AT ALL -> the 'Grade' does.
Each brand has several Series.
Each Series is of some Grade.
The way to compare is to look at ESR and Ripple ratings. [The Grade.]
As long as ESR and Ripple are the same as or better than the old cap it doesn't matter what brand you use.
[This is of course assuming not using Chinese or Thai brands for replacements.]
.Mann-Made Global Warming.
- We should be more concerned about the Intellectual Climate.
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Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
- Dr Seuss
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You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
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Re: OSCON SVP vs Rubycon TFV?
Yes, OSCON has the lowest ESR and the highest ripple current rating for surface mount 16V power caps. Sanyo SVPC is most superior in this area.
http://www.edc.sanyo.com/pdf/e102.pdf
Nippon Chemicon is similar but not as good. Search PDF for PHX grade.
http://www.chemi-con.co.jp/e/catalog...01i-080829.pdf
Rubycon TFV is electrolytic. I didn't realize at first that OSCON was not electrolytic which for some reason I assumed they were. LOL.
http://www.rubycon.co.jp/en/catalog/...oducts_Eng.pdf
Ripple Currents seem low and there is no ESR rating only Z-Impedance ratings. I assume these are inferior. Rubycon has Polymer caps but they are flatpacks that wont fit my realestate. Was hoping for Rubycon to have the ans again as I like the MCZs. I like Sanyo too but Sanyo is god of everything now that I have looked at from them. Their fans and capacitors are better!!!!! No!!!!!!! Oh well, after the revolution we will have to model ourselves after Sanyo or become mexicans. I also read Sanyo has the best rice cooker too.... was thinking about getting one of those.............Last edited by ColdFlo; 03-08-2009, 08:39 PM.Comment
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Re: OSCON SVP vs Rubycon TFV?
ColdFlo that's complete wha. - You are lost. - And you don't pay attention...
You are looking at one Series of OSCON, there are many.
You are looking at one Series of Chemicon, there are many.
Some Series' of Chemicon are superior to some Series of OSCON.
Further:
Some Series' of electrolytic are superior to some Series' of solid polymer.
Z-Impedance rating -IS- the ESR rating.
Z-Impedance = Xc + ESR.
At the frequency they use in data tables Xc = about zero. [Tiny in comparison to ESR]
So:
Z-Impedance = 0 + ESR
.Last edited by PCBONEZ; 03-08-2009, 10:30 PM.Mann-Made Global Warming.
- We should be more concerned about the Intellectual Climate.
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Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
- Dr Seuss
-
You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
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Re: OSCON SVP vs Rubycon TFV?
Im looking at the best series for low ESR from each manufacturer the fact that Rubycon is listing Z and not ESR like they do for their lead caps leads me to believe they are not as good or definitely not the same units(look at the pdfs). Look dude there are a few things I don't know which I have been asking you about but you have not answered any of those questions. I know how to pick which line is better and I know I have that much right so one last time. Does high ripple current = good? I think it does therefore Rubycon and Chemicon are inferior for surface mount 16V caps.Comment
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Re: OSCON SVP vs Rubycon TFV?
- And you don't pay attention... ~ DUDE~
Z = ESR + Xc .... and Xc is nill at 100kHz .... So: Z = ESR
I -JUST- explained that.
You haven't asked questions you've asked agreement to your conclusions and your conclusions are fundamentally wrong. They aren't universally true. Only in some specific cases.
The other information you are asking for is ALL OVER this site.
But here it goes again:
Filter caps short ripple and noise voltages to ground to keep the DC 'clean'.
The Ripple rating in the chart tells you how much ripple they can pass [to ground] without overheating the cap's internals.
It's similar to a max amp or max watts rating.
- More is better.
- But if the circuit doesn't have more to pass anyway then more is irrelevant so going nuts with exceeding the rating of the original cap is a wasted effort.
Like:
If a 1" pipe will carry all the water then replacing it with a 6" pipe will give no improvement.
ESR can be thought of as the caps resistance to passing ripple and noise voltages to ground.
- Less is better.Mann-Made Global Warming.
- We should be more concerned about the Intellectual Climate.
-
Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
- Dr Seuss
-
You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
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Re: OSCON SVP vs Rubycon TFV?
Nippon PXE series looks to have better specs than PXH, just not 125C rated.
PXE is very similar to the SVPC.
I have no idea who/if anybody sells them though.
PXF looks incredible, but they don't go to 16V.Comment
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I have here a HP pavilion hp 15-cs2975nd with a 1.095v power supply that is driven by a FDMF3035. I do see about 80mV of ripple on my scope. I searched through the datasheet to find possible values of the ripple but I don't understand the datasheet well enough.
So I have two questions:
1) what is the typical ripple voltages of gpu/cpu on a laptop or pc mobo?
2) what would be the max ripple of a FDMF3035 that drives an output of 1.095V?
Would be nice to have a rule of thumb of say a percentage of the supply voltage to be an acceptable ripple voltage....12-09-2022, 06:51 AM -
When I tried to repair LG 29 inch CRT TV, I found that the ESR value of samyoung SMS capacitor(160v 2.2uf), which is very close to D1879 transistor, is 6 ohm.
Judging from above ESR Meter Table,I think It is necessary to replace this sms capacitor.So I visited local electronics shop,and I purchased 160v 2.2uf rubycon YK capacitor.
But when I browse through rubycon YK datasheet,I found that there is no ripple current rating for 160v 2.2uf specification. But On the contrary, I found 39 mA ripple current rating for 160v 2.2uf SMS capacitor.
Rubycon YK DataSheet (b... -
Hi all
I need to replace a 680uF 35V SamYoung NXB cap which has got a ripple of 1820. Whilst passing my local little electronics shop I picked up what they had in stock which was a 680uF 35V Panasonic FC with a ripple of 1655.
As the ripple rating is only 9% below what the original was I am wondering whether to risk it and fit it.
The catalogues specify a capacitance tolerance of +/-20% but state nothing about the ripple. If there is a similar tolerance for ripple then I might be worrying about nothing. Does anybody know?
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Hi
I have a Lenovo 530 14ikb i5 8th gen motherboard and it fails to start Windows: it normally dies after I try to load Windows. Getting into bios screen works fine.
Made some measurements and I suspect that there is to much ripple on the 2 Vcore coils.
What is normally the maximum ripple allowed on say any of the power supplies? A few %??
The ripple is on both Vcore as outlined in red in attached photos.
Could be a bad driver?
Cheers... -
Hi fellow troubleshooters. This is my first post on badcaps. I've recently setup an electronics workbench. i'm also building a studio with old equipment bought faulty at low cost.
I've been into electronics since the mid 80's and particularly in the last few years though only getting hands on with repairs now. My knowledge gaps are significant so I'll be posting here to seek guidance advice and general practical applied learning.
On my bench today is an old ca. 1993-95 Akai hardware sampler. This runs on both a linear and Smps supply. Both are getting on in age and ripple...
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