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Massive 20-oz. Cu PCB Enables Electric Racing
Is twenty times the copper twenty times as much fun to work with? Follow along as one of our customers solders a DC/DC block for a Formula E race car on the 20-oz copper PCB that Saturn Electronics provided. The typical boards you order from OSH Park and the like usually come with 1-ounce copper – that’s one ounce of copper cladding per square foot of board. For those averse to Imperial units, that’s a copper layer 34 micrometers thick. [limpkin]’s Formula E control board needs to carry a lot of current, so he specified 700-micrometer thick cladding, or 20-oz per square foot.

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Romulus, MI (since 1985)
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