DDR3 SODIMM socket?

Discussion in 'Electrical Engineering' started by DaveC, Aug 8, 2013.

  1. DaveC

    DaveC Guest

    I need one of these:

    http://tinyurl.com/lzvf2hw

    It's a low-profile smd type DDR3 SODIMM socket for laptop use with those
    little metal spring-release tabs.

    I need one with 4 mm total height. All the ones I can find are 5-plus mm.
    I've seen 4 mm parts in manufacturer datasheets but can't find any US
    distributors.

    And it needs to be standard orientation flavor (key right-of-center, relative
    to user's view when inserting the SODIMM).

    That last point is glossed-over pretty easily by even product drawings: as
    far as I can determine these come in both orientations: the two types are
    identical except that the polarity key is right- or left-of center. I think
    the "standard" model is right-of-center key.

    Mouser has only vertical orientation sockets (a la desktop motherboard).
    Digi-Key has the correct type but wrong key location (reverse style).

    Sources?

    Thanks.
     
    DaveC, Aug 8, 2013
    #1
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  2. On Thu, 8 Aug 2013 11:59:05 -0700, DaveC <> wrote:

    >I need one of these:
    >
    >http://tinyurl.com/lzvf2hw
    >
    >It's a low-profile smd type DDR3 SODIMM socket for laptop use with those
    >little metal spring-release tabs.
    >
    >I need one with 4 mm total height. All the ones I can find are 5-plus mm.
    >I've seen 4 mm parts in manufacturer datasheets but can't find any US
    >distributors.
    >
    >And it needs to be standard orientation flavor (key right-of-center, relative
    >to user's view when inserting the SODIMM).
    >
    >That last point is glossed-over pretty easily by even product drawings: as
    >far as I can determine these come in both orientations: the two types are
    >identical except that the polarity key is right- or left-of center. I think
    >the "standard" model is right-of-center key.
    >
    >Mouser has only vertical orientation sockets (a la desktop motherboard).
    >Digi-Key has the correct type but wrong key location (reverse style).
    >
    >Sources?
    >
    >Thanks.


    Maybe the 4mm guys were 'lying', and re-fashioned their spec sheets.

    Could you not get a set of those as a reference element?
     
    DecadentLinuxUserNumeroUno, Aug 9, 2013
    #2
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  3. DaveC

    DaveC Guest

    > Maybe the 4mm guys were 'lying', and re-fashioned their spec sheets.
    >
    > Could you not get a set of those as a reference element?


    I have one 4mm socket, removed from a mboard -- wrong "sex" (key located
    wrongly for my needs). Labeled

    "DDR3 1.5V 4.0R" with logo "LCN"

    http://www.lionconn.com.tw/

    but I can find no distributors for this.
     
    DaveC, Aug 9, 2013
    #3
  4. DaveC

    DaveC Guest

    > This might work:
    > http://www.digikey.com/product-detail/en/78194-0001/WM19149-ND/2046762
    >
    > Digikey does not stock but they say minimum order is 1. Standard package
    > is 16 so you might have to buy 16. I have ordered different non-stock
    > connectors from Digikey with no problems. Wanted 10 for a special
    > project. Got it in 3 weeks.


    That does look good.

    It's now obsoleted by Molex but Digi-Key crossed it to this TE part:

    http://www.digikey.com/product-detail/en/2-2013022-2/A111119CT-ND/4142503

    and it will work for me.

    Thanks for the pointer.

    Have a great weekend.
     
    DaveC, Aug 9, 2013
    #4
  5. On Fri, 9 Aug 2013 11:31:34 -0700, DaveC <> wrote:

    >> Maybe the 4mm guys were 'lying', and re-fashioned their spec sheets.
    >>
    >> Could you not get a set of those as a reference element?

    >
    >I have one 4mm socket, removed from a mboard -- wrong "sex" (key located
    >wrongly for my needs). Labeled
    >
    > "DDR3 1.5V 4.0R" with logo "LCN"
    >
    >http://www.lionconn.com.tw/
    >
    >but I can find no distributors for this.



    Probably cheaper to buy a dead version of the entire motherboard, and
    salvage one (or more) from that.
     
    DecadentLinuxUserNumeroUno, Aug 9, 2013
    #5
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