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Minimum Track Width for Very Long Tracks


 

Hi,

Does anyone know of any guidance as to how wide very long straight
tracks should be to avoid manufacturing difficulties or breakage due to
board flexing (or any other potential problem I haven't thought of)? I
have to run a couple of signal tracks a distance of 500 mm and I'm
guessing that my usual 0.2 mm width would be a bad idea, but I don't
want to make them excessively wide as that would add unwanted capacitance.

Regards,

Robert

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