Search:

Type: Posts; User: McSteel

Page 1 of 20 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    7
    Views
    315

    The skin effect depth depends on the effective...

    The skin effect depth depends on the effective surface area available to electrons. In a litz wire, due to the individual conductors' proximity, most of the additional surface area gained by...
  2. Thread: 400Hz

    by McSteel
    Replies
    2
    Views
    364

    Wouldn't be happy at all - the spec calls for...

    Wouldn't be happy at all - the spec calls for 47-63 Hz for auto-range PSUs. Should fail to start outright, unless the protections and the primary controller aren't up to scratch.
  3. Or it could be there's an efficiency "sweet spot"...

    Or it could be there's an efficiency "sweet spot" temperature range for the bridges, which is at say 50°C, and having the bridges warm up one another means it will be reached sooner and the...
  4. Replies
    12
    Views
    1,792

    Leakage current is left as a footnote only for...

    Leakage current is left as a footnote only for datasheets on which it can affort to be a footnote because its importance is directly determined by the application.

    Mentioning medical power...
  5. Thread: JapCaps™

    by McSteel
    Replies
    8
    Views
    2,001

    Taicon? Their XinFeng factory should still be in...

    Taicon? Their XinFeng factory should still be in use for higher performance/stricter tolerance series... There are also some lower-tier manufacturers who could, in theory, make something useful given...
  6. Thread: JapCaps™

    by McSteel
    Replies
    8
    Views
    2,001

    Both is true. Some are also made in Taiwan. ...

    Both is true. Some are also made in Taiwan.

    Not everything is as clear-cut as you might expect or hope for... The most important factor for capacitor longevity and performance consistency across...
  7. Thread: Flux

    by McSteel
    Replies
    9
    Views
    2,324

    The short shelf life is not a problem if you...

    The short shelf life is not a problem if you don't buy tons of the stuff that you won't make use of in time.

    As for the fumes... I kinda like the smell, whatever it actually is. It's definitely...
  8. Thread: Flux

    by McSteel
    Replies
    9
    Views
    2,324

    Agreed, Amtech 559-UV is probably the best one...

    Agreed, Amtech 559-UV is probably the best one out there... for lead-free stuff.

    For 60/40 Pb stuff, I prefer ammonium nitrate in petroleum jelly - the manufacturer is of no concern in that case.
  9. Sticky: http://www.jonnyguru.com/forums/attachment.php?att...

    http://www.jonnyguru.com/forums/attachment.php?attachmentid=3768
  10. Replies
    11
    Views
    1,587

    That covers the "clamp" and "reset", now we just...

    That covers the "clamp" and "reset", now we just need to add: "the transformer is non-gapped and only used in one directon, and there is a FET connected to one of the transformers outputs used in...
  11. Replies
    24
    Views
    3,286

    Yes, but the caps should reform to ~95% of their...

    Yes, but the caps should reform to ~95% of their actual "health" within the first couple of seconds, or straight up fail after 8 years.

    I'm sure you know, at least to some degree, that the...
  12. Replies
    6
    Views
    1,339

    A paradigm shift and a perception change needs to...

    A paradigm shift and a perception change needs to happen in consumers first. Once people understand just how much power 450W is, perhaps then the industry and the reviews scrutinizing it will move...
  13. Replies
    129
    Views
    26,883

    And they can also be "repaired" (oiled and...

    And they can also be "repaired" (oiled and cleaned) fairly easily in most cases, restoring them to fully working order, so there's that too...
  14. Thread: resistor value

    by McSteel
    Replies
    18
    Views
    4,908

    Yep, that one should definitely be 0.05 Ω ± 5%

    Yep, that one should definitely be 0.05 Ω ± 5%
  15. Thread: resistor value

    by McSteel
    Replies
    18
    Views
    4,908

    That should be a 280 kΩ ± 1% Can't really...

    That should be a 280 kΩ ± 1%

    Can't really guarantee I'm correct, probably best if you wait for a couple more answers :)
  16. Replies
    5
    Views
    1,029

    The in-cable capacitors are added to increase...

    The in-cable capacitors are added to increase filtering performance without using limited PSU PCB available space. They're of no major concern regarding the PSU's output performance; as even if some...
  17. Thread: Gigabyte psu?

    by McSteel
    Replies
    4
    Views
    966

    Not interesting as in "run-of-the-mill group...

    Not interesting as in "run-of-the-mill group regulated PSU that used to be mainstream circa 2006".
    It won't burn down the house but it's not quite special in any way either. You can learn more about...
  18. Replies
    20
    Views
    4,586

    But it is indeed entirely a matter of semantics....

    But it is indeed entirely a matter of semantics. For most people, making a choice doesn't necessarily imply that the choice would be informed and properly weighed against their needs and available...
  19. Replies
    38
    Views
    6,085

    I find that a soldering iron also does quite...

    I find that a soldering iron also does quite nicely. As far as using electrical tape goes, it's just a quick (and dirty) fix tool, I never did see it as a viable long-term solution to anything.
  20. Replies
    8
    Views
    4,116

    The interesting takeaway of all this is not...

    The interesting takeaway of all this is not getting too held up by the actual connections, but going by what participates in the circuit and in what way.

    This video is on the popular science...
  21. Replies
    62
    Views
    9,095

    The primary is quick and robust enough that it...

    The primary is quick and robust enough that it can take the transient load gracefully. Perhaps there could be some instantaneous spikes left unchecked but nothing too serious; I expect the overall...
  22. Replies
    75
    Views
    30,427

    Huh... A needless new low for Seasonic. I guess...

    Huh... A needless new low for Seasonic. I guess the SIs are the target, but...

    https://i.imgur.com/HDKyDio.jpg
  23. Replies
    72
    Views
    21,282

    I have. Well, not really in the way I wanted to...

    I have. Well, not really in the way I wanted to (was forced to pass everything and praise whatever floats even the tiniest bit above the crap line), but at least I got through the whole process, from...
  24. Replies
    8
    Views
    1,874

    While not exactly a fire hazard, this PSU is...

    While not exactly a fire hazard, this PSU is unfit for service in any kind of modern PC, as has already been said. The biggest reason is the design of the PSU - it was made for 5V-heavy use, and the...
  25. Replies
    9
    Views
    1,730

    The fan starts coughing if the air is too dry :D

    The fan starts coughing if the air is too dry :D
Results 1 to 25 of 500
Page 1 of 20 1 2 3 4