Does anyone know what these are called?
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1\$\begingroup\$ I don't think there's anything more specific than just calling them "pins". \$\endgroup\$– HearthCommented Dec 17, 2020 at 22:23
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\$\begingroup\$ I am trying to make a humidity sensor and a lot of people out there have used it. If this many people have used it I am pretty sure its not custom made. shop.bb-sensors.com/en/Measurement-by-branches/… \$\endgroup\$– NeilCommented Dec 17, 2020 at 22:33
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\$\begingroup\$ The drawing looks to be in error when it claims 1.27 mm for a double pin spacing, that's inconsistent with the overall width of 5.08 mm. But 1.27 mm for a single spacing (eg twice the density of traditional 100 mil headers) might be likely. \$\endgroup\$– Chris StrattonCommented Dec 17, 2020 at 23:59
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\$\begingroup\$ almost looks like a USB connector without the shell \$\endgroup\$– jsotolaCommented Dec 18, 2020 at 0:50
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\$\begingroup\$ @ChrisStratton That's not pointing at double pin spacing, it's a single pin spacing dimension next to a pin width dimension, it's just some of the lines involved are extremely faint. \$\endgroup\$– HearthCommented Dec 19, 2020 at 22:32
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2 Answers
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That type of pin was (and perhaps still is) called "SIP pin". They were available in different lengths, and made to fit different PCB thicknesses.
You will still find some little breakout boards with those fitted (for example, from Capital Advanced Technologies Inc. - I don't have any connection with the company) but as you know, nowadays the square header pins are more common on breakout boards.
Those SIP pins could also be used to convert early SIMM memory modules, into (now obsolete) SIPP memory modules. More about that (and some photos) at: Wikipedia - SIPP memory.
I actually found a datasheet for the SIP pins used by the above company on another website, but couldn't find it on their own website (at least, not any more). So here is the 1 page datasheet:
Image source: Manualzz
answered Dec 18, 2020 at 0:53
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1\$\begingroup\$ Still available from Farnell/Newark: newark.com/amp-te-connectivity/1544425-2/frame-lead-sil-2-54mm/… and maybe others. \$\endgroup\$– ocrduCommented Dec 19, 2020 at 11:58
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the pins are rectangular 0.4 by o.25mm so 0.6mm holes seems like a good size.
create a footprint with a line of 4 holes of 0.6mm diameter with 1.27mm spacing between centers, you'll probably want to use oval pads.
answered Dec 17, 2020 at 23:33