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Subject:
From:
David Hillman <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, David Hillman <[log in to unmask]>
Date:
Mon, 4 Dec 2017 13:21:23 -0600
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Hi Jack - as the other folks have detailed, we still use MELFs and we are
still using the U pad geometries. Works well for us in an avionics product
use environment.

Dave Hillman
Rockwell Collins
[log in to unmask]


On Mon, Dec 4, 2017 at 10:55 AM, Jack Olson <[log in to unmask]> wrote:

> I am using MELF components on my current design,
> which I haven't seen much this century.
> But I remember way back when we used "U-shaped" land shapes.
>
> I notice the current Land Pattern standard (IPC-7351) recommends
> rectangular,
> but at least one person has suggested using U-shaped "just in case".
> I generally resist that kind of philosophy unless there is science behind
> it.
> Is anyone using U-shaped pads anymore?
> (Is anyone using MELFs anymore? smile)
>

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