> Hi all
>=20
> I am working on a board that ideally will piggy back or mezzanine over
an externally
> sourced board. The external board uses sockets that are board to cable
only.
>=20
> In the past I have seen riser pins that have socket ends at either end
such that a
> riser is pushed on to each of the pins ends in the socket that can
then have a
> similar board socket plugged on the top. ASCII art attempt below.
>=20
> However, now I am looking for a source of these risers pins I can;t
find them. I am
> hoping someone here has used something like this recently and knows a
source or
> someone just happens to know a source.

I think the parts you are looking for can be bought from the German
company Fischer.=20
I have had items that would match your description through Farnell, e.g.

http://onecall.farnell.com/fischer-elektronik/bl11-254-45z/header-socket
-2-54mm-45way/dp/9728864

but I know that I have bought the BL12 double row family from them
(although I cannot find it at the moment).

Another option is FCI Dubox top and bottom entry ones
http://onecall.farnell.com/fci/71991-305lf/socket-2row-5way/dp/1097988?N
tt=3D1097988 through to 109-7997 depending how many pins you want (Dubox
family 71991-3xxLF). The mating headers listed are Dubox 77311-401-xxLF
or 77311-818-xxLF.

The Farnell numbers 968-9648 to 968-9710 for single row, and 968-9729 to
968-9800 for double row are surface mount versions. These are Tyco/AMP
124-1152 series receptacles. The page lists farnell 341-8297 (AMP 826629
family) as mating headers.

Unfortunately I cannot find the really tall headers, which I think are
what you are after. I know I have obtained them from Fischer, and I
thought it was through Farnell. Fischers web site is here
http://www.fischerelektronik.de/index.php/fcon_en/?&L=3D1


--=20
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--=20
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