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oddball parts

Discussion in 'Electronic Components' started by kell, Mar 16, 2006.

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  1. kell

    kell Guest

    somebody on another electronics discussion board (not a newsgroup)
    asked where to find pins like the ones you see soldered on
    the edge of the board in the photo at this link:
    http://www.superrobotica.com/Images/S310130big.JPG
    I thought it was interesting so I'm reposting it here.
    ,
     
  2. Are those chip capacitors along the bottom edge?
     
  3. Chris

    Chris Guest

    Hi, Kell. The pins on the sides of the BASIC Stamp 2 in the link are
    called detachable lead frame pins. I've gotten them in quantity from
    Die Tech in York Haven, PA.

    http://www.die-tech.org/dildip.htm

    They're made from tinned phosphor bronze for springiness when they're
    inserted on the board.

    I don't believe Die Tech sells small quantities -- you buy by the reel.
    But if you're putting together a prototype for a production run,
    they'll be glad to provide samples. Be sure to confirm your PC board
    thickness when placing the order. If you've got 1/16" PC board, go
    with 5223. Their customer service people are great.

    They'll also help you with relatively inexpensive hand insertion
    equipment for small runs, as well as more expensive automation if
    you're cranking up for something like the BASIC Stamp.

    Good luck
    Chris
     
  4. Rich Grise

    Rich Grise Guest

    I don't see any small things that could be caps, although there
    could be a whole passel of them on the bottom side.

    Cheers!
    Rich
     
  5. No, the pins clip over the edge of the substrate (PCB material in this
    case) and are soldered to rectangular pads.

    Here is exactly what's on that board (all 10 parts):

    http://www.parallax.com/dl/docs/prod/schem/bs2.pdf

    Looks like the 10K across the 20MHz ceramic resonator isn't stuffed.


    Best regards,
    Spehro Pefhany
     
  6. kell

    kell Guest

    That's the information my buddy over at www.4hv.org was looking for.
    He was very grateful when I went on 4hv.org and posted a link to your
    reply.
     
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