Need advice: Routing copper trace width

Discussion in 'The Projects Forum' started by steinar96, Oct 5, 2009.

  1. steinar96

    steinar96 Thread Starter Active Member

    Joined:
    Apr 18, 2009
    Messages:
    239
    Hey, i'm in need of a rule of thumb when choosing the width for 1oz copper during PCB layout. I'm routing a pcb which is used in a 12W linear regulator.

    I used to know about a rule which stated that for every amper going trough the trace you needed aprox x many mil of copper width. atm i can't remember what it was. So i was hoping some of you knew it or had suggestions.

    The trace needs to carry a maximum of 1A. The copper i have is 1 oz.

    Any help appreciated.
  2. StayatHomeElectronics

    StayatHomeElectronics Well-Known Member

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    NE Ohio, USA (GMT - 5)
  3. steinar96

    steinar96 Thread Starter Active Member

    Joined:
    Apr 18, 2009
    Messages:
    239
    thanks, very helpfull tool.
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