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Thread: What is "coil whine" and what is that goopy stuff all over the inside of my PSU

  1. #41
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    Quote Originally Posted by ashiekh View Post
    What are relays used for in power supplies? all mine are old and have none.
    In rush current bypass and to switch +5VSB to +5V in some models.

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    ashiekh (06-19-2019)

  3. #42
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    Quote Originally Posted by Jon Gerow View Post
    In rush current bypass and to switch +5VSB to +5V in some models.
    The first I had forgotten, the second is new (to me).

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    Though 5VSB Bypass is done more often with MOSFETs instead of electro mechanical switches.

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    Quote Originally Posted by Stefan Payne View Post
    Though 5VSB Bypass is done more often with MOSFETs instead of electro mechanical switches.

    No concern about the voltage drop?

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    Quote Originally Posted by ashiekh View Post
    No concern about the voltage drop?
    Yes, if cheaply implemented. Which is why it tends to be a more expensive option.

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    Quote Originally Posted by ashiekh View Post
    Humans can hear down to about 20Hz, and mains hum is easy to hear.
    Corsair HX620 coil whine and unstability issues Power Supplies. ... my ip birthday wishes tneb I rma that mouse, and razer said everything was fine, and i should check if my motherboard was ... when fps go to 800-900, results in a unbearable noise, and shortly ... revealed it and made me test the psu for things i never really had to, ...
    Last edited by KAWTARY; 3 Weeks Ago at 06:47 PM.

  8. #47
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    Quote Originally Posted by KAWTARY View Post
    Corsair HX620 coil whine and unstability issues Power Supplies. ... I rma that mouse, and razer said everything was fine, and i should check if my motherboard was ... when fps go to 800-900, results in a unbearable noise, and shortly ... revealed it and made me test the psu for things i never really had to, ...
    Why are you responding to old posts with non-nonsensical gibberish?

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