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Search took 0.00 seconds. Search: Posts Made By: AleXis6
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-24-2022, 04:27 PM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

https://i.ibb.co/3MtPFZT/EECS0-HD334-H-0-33-F-5-5-V.jpg (https://ibb.co/8dFQxZm)

The diameter is close to the maximum possible.
The height is normal and might be even greater.
negative leg has...
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-23-2022, 05:05 PM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

I have found a simple approach how to calculate the capacitance.
Charge the supercapacitor through a 1kOhm resistor and measure the time in seconds when the U on the supercapacitor is 0.6331 of the...
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-22-2022, 10:47 AM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

but based on your experience it last just 4 years. may be 1 of the reason that voltage is to high for this supercapacitor.
I will buy Panasonic EECS0HD334H 0,33F 5.5V it bigger, but based onother...
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-22-2022, 02:39 AM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

I hate this kind of warranty
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-22-2022, 02:35 AM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

I think similar due to enough space around.
which supercapacitor you used last time ?
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-21-2022, 10:31 AM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

the same, just chineese version.
Date has been lost even after 5 min
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-21-2022, 10:00 AM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

I measured the voltage it is about 0,9V
https://i.ibb.co/BCPHzpj/photo-2022-06-21-18-58-54.jpg (https://ibb.co/HH2LFSY)
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-21-2022, 05:52 AM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

Thanks
My Fluke forgets the Date after 4-6 hrs (during I am charging 6xEneloops due to I have just 4 slots for charging AA) but it keeps Date at least for a few minutes if I just change old AA for ...
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-21-2022, 02:57 AM
Replies: 46
Views: 5,560
Posted By AleXis6
Re: Fluke 289 bad supercapacitor replacement repair

Could you help me please:
how long Fluke 289 should keep Date without AA bat?
and which another brand of supercapacitors can be used?
or could I put a special same size battery instead of...
Forum: General Capacitor Questions & Issues 04-03-2022, 02:52 PM
Replies: 8
Views: 643
Posted By AleXis6
Re: Something is knocking at Nippon Chemi-con

15V instead of 110 is almost nothing to show the problem
Forum: General Capacitor Questions & Issues 04-03-2022, 02:43 PM
Replies: 10
Views: 851
Posted By AleXis6
Re: new apple studio display uses capxon caps

I think it is a Planned obsolescence.
marketers want customers to update their gadgets more often
Forum: General Capacitor Questions & Issues 02-23-2022, 11:10 AM
Replies: 27
Views: 1,838
Posted By AleXis6
Re: Sacon FZ revival experiment

video about vloss - it is very inaccurate (https://www.youtube.com/watch?v=-fZiFeFLekk)
Forum: General Capacitor Questions & Issues 02-08-2022, 10:47 AM
Replies: 27
Views: 1,838
Posted By AleXis6
Re: Sacon FZ revival experiment

thanks
I have the same opinion
Forum: General Capacitor Questions & Issues 01-31-2022, 01:25 AM
Replies: 27
Views: 1,838
Posted By AleXis6
Re: Sacon FZ revival experiment

I did it couple times with 2 different testers (LCR T4 and LCR TC1).
It is more or less easy to repair -change the processor and write a new firmware (if it is available for your device).
and one...
Forum: General Capacitor Questions & Issues 01-31-2022, 01:14 AM
Replies: 27
Views: 1,838
Posted By AleXis6
Re: Sacon FZ revival experiment

please advice: "V_loss" corresponds to what parameter in the datasheet?
I have a couple different "transistor testers" and can't fully understand what this "V-loss" tells.
Forum: General Capacitor Questions & Issues 01-28-2022, 03:59 AM
Replies: 10
Views: 1,858
Posted By AleXis6
Re: Manufacturing Date of Electrolytic capcitor

So finally Digikey confirmed, that sold capacitors (2012-2014 YYYY) are to old .

also I received some their internal mails:
"The parts are too old to be used in the application.
We can credit...
Forum: General Capacitor Questions & Issues 01-21-2022, 02:05 AM
Replies: 10
Views: 1,858
Posted By AleXis6
Re: Manufacturing Date of Electrolytic capcitor

thank you for the response.
I ordered SMG ,SMQ Nippon series based on their pdf dated 2020 as a replacement for more old series which now installed in my online UPS.
Since the PDF of 2020, I...
Forum: General Capacitor Questions & Issues 01-20-2022, 01:13 AM
Replies: 10
Views: 1,858
Posted By AleXis6
Re: Manufacturing Date of Electrolytic capcitor

Digikey answered:
For all of these parts, the last time we received stock for these parts was in 2013/2014 and the date codes for these parts would before that time that we received stock in for the...
Forum: General Capacitor Questions & Issues 01-19-2022, 12:59 AM
Replies: 9
Views: 1,101
Posted By AleXis6
Re: sancon china caps

thanks for the details.
Forum: General Capacitor Questions & Issues 01-18-2022, 11:42 PM
Replies: 9
Views: 1,101
Posted By AleXis6
Re: sancon china caps

could you explain how better ripple current will lead to the problem described above?
Forum: General Capacitor Questions & Issues 01-18-2022, 12:08 AM
Replies: 34
Views: 5,304
Posted By AleXis6
Re: Modern Samxon and Teapo caps much better these days?

because almost no possible to buy good caps in my country in 1 day.
I bought it and soldered to repair my soldering station a half year ago, now can replace it. and this red Capxon had price as...
Forum: General Capacitor Questions & Issues 01-17-2022, 12:20 AM
Replies: 34
Views: 5,304
Posted By AleXis6
Re: Modern Samxon and Teapo caps much better these days?

I am not sure is it KF or not but sure in bright red color, it was relatively expensive and with low ESR 17mOhm (1000 x 63V). https://i.ibb.co/mcX6NGZ/2022-01-17-9-23-09.jpg (https://imgbb.com/)...
Forum: General Capacitor Questions & Issues 01-14-2022, 12:53 PM
Replies: 10
Views: 1,858
Posted By AleXis6
Re: Manufacturing Date of Electrolytic capcitor

Somebosy at this forum advised me to buy capacitors from digikey.
It is very far from me but I did an order and now can not understand is Digikey sold me >8 yers old capacitors? or May be Nichicon...
Forum: General Capacitor Questions & Issues 12-21-2021, 02:37 AM
Replies: 6
Views: 1,270
Posted By AleXis6
Re: Is there a manufacturers tolerance for ripple?

thank you!
Forum: Troubleshooting Power Supplies and Power Supply Design 12-14-2021, 09:06 AM
Replies: 60
Views: 26,986
Posted By AleXis6
Re: Powerware 9120 Online UPS

lamps are constantly lighting rarely. for example during fast charge phase for 3 hours.
usually 1or2 just lights for several seconds, others - not, because 6*13.7=82.2V, and Ippon supplies 82.15V...
Showing results 1 to 25 of 51
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