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Power adaptor

Discussion in 'Hobby Electronics' started by eltan, Jul 12, 2005.

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  1. eltan

    eltan Guest

    Hi all,

    Just wondering when selecting a AC/DC power adaptor, should the amperage of
    the adaptor be bigger or lower than the required ampreage of the equipment

    eg To power a Discman, and it required 4.5V DC, 200mA. Can I use a power
    adaptor with an amperage of 500mA?

    Thanks in advance.

  2. **Usually, yes. If using a higher current capacity adaptor, I suggest you
    ALWAYS choose one which is labelled "REGULATED".
  3. eltan

    eltan Guest

    Thanks to all who reply.
  4. KLR

    KLR Guest

    I second that FULLY !

    you can use an adaptor with a higher current rating than is needed by
    the load. I would recommend buying one that is slightly higher than
    the load regardless, so as to have a bit of a margin for error.
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