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Thread: Seasonic Core internal pictures

  1. #11
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    Quote Originally Posted by rgbodosk View Post
    Whats the actual difference between single and double layer PCB?
    Having multiple layers allows use of ground plane which can increase efficiency and reduce EMI. You can also route traces from top to bottom to go around components that are not part of a circuit. With single layer, you have to use jumper/fly wires.

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  3. #12
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    Quote Originally Posted by rgbodosk View Post
    Whats the actual difference between single and double layer PCB?
    One Layer of conductive material vs. 2.

    As said, its cheaper to have less layers and that's why you want it.
    Dual Layer has the advantage of "3d Routing". You don't have just one plane to route your traces...

    For example you need higher current traces and some other traces that go around a component.
    With Single Layer you have to think about how you do it, for example you can remove the Soldermask, in some cases even add a wire so that more solder gets here and allows the higher current because you need the space on the PCB for the other traces.

    With a dual Layer PCB you can use both sides and for example have the high current on one side, the traces on the other side...
    Or use both sides for the current.


    In short:
    You can do many things with the second layer. That depends on the Engineer layouting it, what he/she or you want.

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  5. #13
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    To note; the Core GX, Core GC, Core GM, and a not-yet-released model "SSR-XXXBD" share the same platform.

  6. #14
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    Quote Originally Posted by Rexper View Post
    To note; the Core GX, Core GC, Core GM, and a not-yet-released model "SSR-XXXBD" share the same platform.
    Do you have some more info? Is BD a 80PLUS Bronze version of the Core series?

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    Quote Originally Posted by -The_Mask- View Post
    Do you have some more info? Is BD a 80PLUS Bronze version of the Core series?
    Same certificate
    cert.jpg

    Also, some more internals:
    https://post.smzdm.com/p/awxq72ok/
    https://post.smzdm.com/p/a839vm7n/

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    Quote Originally Posted by rgbodosk View Post
    Whats the actual difference between single and double layer PCB?
    There are different types of PCB substrate materials. Phenolic/Paper, CEM-1, CEM-3, FR-4 and so-on. Single layer boards often use fire-resistant Phenolic/Paper (often referred to as "94V0" which is actually its flame standard) and CEM-1 Fiberglass/Paper. Double- and multi-layer boards use FR-4.
    It's been a hard day's night and I've been working like a dog.

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