Electrolytic capacitor symbols on circuit diagrams
Most important is to be able to see the polarity on a PCB- with the cap installed. I use a silkscreen arc and (+) outside the part body (although Altium is stupid still and thinks the part is a square giving false clearance violations). I''ve always used the electrolytic capacitor symbol with a curved plate, it was used in American and Asian schematics back to the 1980''s
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