Got an Intel D102GGC2 that I need to repair for a client. It has 3 bad 4V 680uf TMV caps (8mmx10mm) on it. Would Nichicon HN 6.3V 820uf work as a replacement. I can't find any specs on the TMVs and they sit under the heatsink, so 12mm would the max cap height. I haven't really been able to find anything else closer.
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Re: chemicon tmv replacement
Too tall... Measure again, you'll see that you can't really use anything that much taller than the TMV...
The choice is either polymer caps 8mm or so tall, and at $1+ each, or you can use Panasonic FL which come in a custom size equivalent to TMV and equal in spec. They are sleeveless and have printing at the top. If you want them you'll have to buy NOS, but they are still widely available."We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."
-Leonid Brezhnev (On the Yom Kippur War) -
Re: chemicon tmv replacement
http://stores.ebay.com/PC-MotherBoar...=p4634.c0.m322
don't know if they are real or not; but here are some I found.Comment
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Re: chemicon tmv replacement
It never ceases to amaze me, with capacitors being dirt cheap from the factory authorized sources (Digi-Key, Mouser, Newark, etc.) why anyone would ever buy caps off of ebay, since this is known to be a huge ocean of counterfeits! - I can buy many low-ESR caps in quantity for 10-20 cents each, for top tier Japanese from an authorized source! - is $3 in total parts cost on this job gonna break you? - I just don't get it!__________________
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~~~ the top tier of low-ESR electrolytic capacitors ~~~
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Re: chemicon tmv replacement
If I went with polymer, would these work?
Panasonic 4SEP680M+T, ESR equiv: 25mOhm, rippler 3.7A, 5mmx8mm. Digikey has them in stock.Comment
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Re: chemicon tmv replacement
No, those are 10mm wide, and 25mOhm is a bit too high..."We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."
-Leonid Brezhnev (On the Yom Kippur War)Comment
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Re: chemicon tmv replacement
Okay, how about these Nichicons
RL80G821MDN1KX, 4V, 820uf, 8mmx8mm, .06mOhms, 6.1AComment
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Re: chemicon tmv replacement
Yes, those are more than adequate.Originally posted by 73buick View Post"We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."
-Leonid Brezhnev (On the Yom Kippur War)Comment
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Re: chemicon tmv replacement
shipping charge from digi-key to me is $120 minimum; so your $3 in parts just got a whole lot more expensive. That being said I've never have bought caps from ebay, but I thought he could use it as a reference to see if other brand caps could be used in is case, needing a smaller size and all.Originally posted by theOracle View PostComment
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Re: chemicon tmv replacement
go to the manufacture website of companies like Panasonic, Nichicon, Nippon Chemicon, Rubycon, and Sanyo/OSCON etc. and find their authorized distributor in Ukraine, or at least one in Estonia or Poland or somewhere close, and then shipping charge should be low - ebay is too full of fake capacitors (but very good for other things that do not have a counterfeiting problem!)Originally posted by u271D View Post__________________
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~~~ the top tier of low-ESR electrolytic capacitors ~~~
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Re: chemicon tmv replacement
read the international shipping on the badcaps site.
its like usd $9.
get a bunch of stuff to make it worthwhile!Comment
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Re: chemicon tmv replacement
the badcaps site needs to get some additional choices such as Chemi-con and Panasonic, the two biggest companies in electrolytic caps - but it is cool that they have low cost international shipping, if I were in a different country than USA, the high prices of international shipping would be very frustrating!__________________
the BIG 4
~~~ the top tier of low-ESR electrolytic capacitors ~~~
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Re: chemicon tmv replacement
^
When rubycon discontinued MBZ and MCZ, I did attempt to carry Panasonic lytics. They wouldn't even talk to me. I am not a huge fan of UCC lytics. Polymers are not huge sellers, contrary to popular belief. The experimenter group that replaces lytics with polies is very small. The vast majority replace with the original value and move on.<--- Badcaps.net Founder
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Re: chemicon tmv replacement
why? - they are the biggest, and many feel the bestI am not a huge fan of UCC lytics
yeah, they had one series KZG/KZJ that were bad, but you have to remember their sheer size compared to most any other cap company, it would be like if a giant auto company had one bad model in their entire corporate history!
Some of the most durable and accurate and high performing caps I have used over the years have been Chemi-cons
Also, they have benefited by buying up some other brands that were formerly legendary, such as Marcon (Toshiba)__________________
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~~~ the top tier of low-ESR electrolytic capacitors ~~~
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Re: chemicon tmv replacement
I feel they're not..... I still pull way too many failed KZG and KZJ out of modern stuff. The same can't be said for modern stuff with Nichicon HN, HZ, and HM...the same with Panasonic FC and FJ.Originally posted by theOracle View Post<--- Badcaps.net Founder
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Re: chemicon tmv replacement
Actually Nichicon HM/HN and earlier PF were huge scandals, all that taken together is even bigger than KZG issue - didn't you once do 300 Dell Optiplexes right in a row? - That issue was so huge is almost took down the entire Dell company, some say it basically did. - and the PF caps stretch all the way back to the early 90's - only Panasonic has a flawless record, but considering how many trillions of capacitors all 3 of these companies sell, these are all minor blips.Originally posted by Topcat View Post__________________
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~~~ the top tier of low-ESR electrolytic capacitors ~~~
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Re: chemicon tmv replacement
^
that was HN and HM series 2003~2004, flawed electrolyte. It has never been proven whether it was part of the 'stolen formula' industrial espionage mumbo jumbo of the late 90's....but the fact remains that Nichicon did indeed have a couple crap years....that's life I guess. Even pannies dont have a perfect record, I've pulled many roasted ones out of many HP, IBM/lenovo, Dell, and other brand toaster boxes, just the same, I've pulled far more UCC and rubycon failures out of same boxes. Panasonic is the best IMO, but you will pay for those bad boys. Next in line as my fav is Nichicon. You're certainly entitled to your opinion, but UCC KZG and KZJ are still the number one big name I still pull failures out of hardware compared to any of the 'good brands'.....<--- Badcaps.net Founder
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Re: chemicon tmv replacement
Rubycon's and Panasonic's sales presence in the US is pathetic! My previous employer was a significant buyer of lytics. We had Nichicon and Chemicon paying us visits several times a year. Rubycon's sales office in Silicon Valley was a single guy with so-so English (and not exactly a great personality for sales). Panasonic? They worked solely through their local mfrs rep company (who was good, just not the same as the actual company being there). And with Panasonic, you always knew their internal use came first, last and always. Both have great products, but their sales strategy guarantees they will rermain behind UCC/NCC and Nichicon.PeteS in CA
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Re: chemicon tmv replacement
How profitable is capacitor manufacture and sales anyway?
Cost of research, materials (aluminum, electrolyte), labour and production... Couple that with the fact that they have to compete with Chinese generics which cost a whole lot less and serve the purpose of planned obsolescence, and high quality caps are a niche market.
Who actually uses high quality caps int heir products nowaday? Mostly the military (or military-spec electronics) and hobbyists. It is sufficient for Panasonic and Rubycon to deal only with Newark, and I'm sure they had their accountants draw out the numbers for what I describe and reach the same conclusion...
UCC already has well-established channels because they were the first, but I wonder what Nichicon has to gain by investing in business solicitation in a diminishing market... Must be owned by Americans, only American companies have the fiat backing to stay afloat while being uncompetitive at the same time."We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."
-Leonid Brezhnev (On the Yom Kippur War)Comment
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