Jim,

you have to figure out why does it shift. Does the board warp? Is the
printing OK, with equal amounts of paste on each pad? Is the connector
manually inserted and if yes, is it dead on? Does the operator shake the
board before introducing it into the oven?

You might want to make sure the connector is parallel to the travel
direction in the oven.

And the last resort: you can always add a couple of drops of SMT adhesive at
the extremities.

Ioan

> -----Original Message-----
> From: TechNet [SMTP:[log in to unmask]] On Behalf Of West, Jim
> Sent: Wednesday, November 03, 2004 1:40 PM
> To:   [log in to unmask]
> Subject:      [TN] Pad design to keep SMT connector from shifting during
> reflow.
>
> Hi all,
>
> Looking for recommendations on ways to keep an SMT connector from shifting
> during reflow.  This particular connector does not have any guidepost to
> help keep it in one place.  Is there any special pad design that can be
> incorporated to help assist with keeping the part in place during reflow?
> The pads are currently rectangular shaped.
>
> Jim
>
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