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Digi Key theraml switch

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Oct 1, 2002
Seattle, WA
Ok I belive that Since87 recomended Digi Keys 317-1080-ND thermal switch. How do I exactly hook this part up? I cant even figure out which part is the top. any help appricated.


Jul 30, 2002
The two rectangular tabs sticking out are the electrical contacts.

You need to cut the green wire to the ATX supply, and connect each of the cut ends to one of the contacts.

The two holes in the oval section are for mounting the switch to the item you want to detect the temperature of. (Waterblock, coldplate, whatever) You want to hold the flat side of the switch up against the item to be sensed.

You can drill and tap holes to mount the switch, or just thermal epoxy it, if you don't mind a permanent attachment.