Re: gEDA-user: PCB Element for a Molex 71661-2068?

["John Luciani" <jluciani@xxxxxxxxx>]

On 3/7/07, Ben Jackson <ben@xxxxxxx> wrote:
> On Sat, Feb 24, 2007 at 08:31:42PM -0500, John Luciani wrote:
> > On 2/23/07, Ben Jackson <ben@xxxxxxx> wrote:
> > >I need a PCB element for a Molex 71661-2068:
> > >
> > >http://www.molex.com/product/micro/71661r.html
> >
> > I've placed the Molex 71661 series connectors on my website at
> >
> > http://www.luciani.org/geda/pcb/pcb-footprint-list.html#Connector
>
> I was playing with strategies for escaping the pin grid on this part
> (the board I'm connecting to uses a different brand of this style
> connector which has the odd/even alternation inside out, so all the
> signal pins are "inside" on the Molex version).  I noticed that the
> Mark for this part does not fall on a nice offset from the pins, so
> it is impossible to move the part so that the pins fall on the grid
> without going off-grid with the Mark.
>
> Is this to meet a pick & place requirement that was in the datasheet,
> or is the Mark arbitrary?

I believe that I centered the mark in between the two alligment pins.
It places on a 25mil grid.

(* jcl *)

--
http://www.luciani.org


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