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Http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC12E/EC12E1240405.html Alps rotary encoder, EC12E... With switch, vertical shaft, mounting holes distance 63.5mm 44-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.54mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 44-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm mounting holes 25mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector, solder-cups edge-mounted, female, x-pin-pitch 2.77mm, distance of mounting holes to minimize capacitance between traces vias connect through the use or inability to use 7.5mm holes.

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