Buying Caps - Need Assistance

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  • momaka
    Seasonic B12 BC-550 – barely 2 years old and with BAD CAPS already!
    by momaka
    I know I've been a little scarce lately (like the last 2-3 years), but I'm still here and still doing my thing with fixing PSUs.

    For today's considerations, I have a Seasonic B12 BC-550 [A551bcafh] 550 Watt ATX power supply for you (click on links for full size images).

    https://www.badcaps.net/filedata/fetch?id=3591771


    https://www.badcaps.net/filedata/fetch?id=3591772

    It's a modern ATX unit with fixed (non-modular) cables and an 80-plus bronze certificate. Here's the label:

    https://www.badcaps.net/filedata/fetch?id=359177...
    03-12-2025, 03:42 PM
  • eryjus
    Heathkit IO-4205 Power Supply Caps
    by eryjus
    Hello,

    First, I am a complete noob with high voltage stuff. I'm learning, but I need help by someone looking over my shoulder.

    I recently came into posession of a Heathkit IO-4205 5MHz Dual Trace Oscilloscope. The documentation is copyright 1978. I'm told it works.

    I opened it up to check the caps before I applied power, and found the following black caps and wanted to know what they were. They are on the power supply board. I was able to read the name and model and came up with, "Nytronics 162J-1, 0.1uF, 20% tolerance, 2000VDC."
    ...
    05-10-2023, 11:21 AM
  • SwedishDiesel
    Dell Optiplex GX260 - Advice Needed for Polymodding Motherboard
    by SwedishDiesel
    Howdy folks,

    I have an Optiplex GX260 that blew a couple of those troublesome Nichicon HM series (ultra low ESR) electrolytic capacitors. Because said caps are obsolete, they are pretty much impossible to find on the market; I did find a listing for some but I believe they are counterfeit. I feel the easiest thing to do would be to replace all the blown caps with polymer ones. I am by no means an expert in electronics, and I've found a fair bit of conflicting information, so any guidance or confirmation would be greatly appreciated. While from a practical standpoint it's not worth...
    10-30-2021, 12:47 AM
  • momaka
    HannStar Hanns-G HC194d LCD monitor repair
    by momaka
    Normally, I never post repairs this quick after I do them, because… I am usually very slow. But today, I’m making an exception here. Why? No idea. Perhaps only because the repair details are still “fresh” in my head… which is ironic, given this is a 16 year old monitor that hardly anyone will care about today. It is new to me, though. I picked it up last November from someone on my local Craigslist. It wasn’t very close to where I live, but was close to a family friend that I had to go visit anyways. So after watching the posting on Craigslist for a few weeks and seeing it getting...
    03-15-2023, 10:17 PM
  • Foetuss
    Gigabyte GA-6OXT :: caps question
    by Foetuss
    Good evening

    I recently aquired a rev 1.1 Gigabyte 60XT, and was suprised of the amount of leaking caps for a motherboard of the P3 era. Especially the way the 330µf caps seems like the housing discolored even.
    Now, there are some 3300µF 6.3V KZG series around the CPU. Would it be OK to replace them with something like EEUFR1A332 ? (Panasonic FR 3300µF 10V). Or was this board designed around very low ESR caps?

    But I was also suprised about the bigger boys, which are 330µF 25V.
    Could it be they used 25V caps because they were cheaper / available at that time?...
    02-11-2025, 12:22 PM
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