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| Reply To: | TechNet E-Mail Forum. |
| Date: | Fri, 7 Nov 2003 09:11:13 +0100 |
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Hi all,
Anyone recommend how to input Wave Soldering SM design in the www.IPC.org 782 Calculator?
IPC-SM-782 refers to wave design for SOT23 by adding 0.2mm to Z dimension.
Is there a generic IPC wave design standard that I can reference?
Thanks in advance,
Moss
-----Original Message-----
From: 27782 [mailto:[log in to unmask]]
Sent: Thursday, November 06, 2003 7:32 PM
To: [log in to unmask]
Subject: Re: [TN] Component footprint and Pad sizes.
Jim,
IPC SM-782 is the right place to go.
Dan Mauro
Celestica Corp
West, Jim writes:
> Hi,
>
> Where can I find specifications on what the pad sizes should be,
> particularly for 0603 components or SOT, and SOD-123 components, but really
> any component in general? We recently ran a new board with the supplier
> recommended pad, and footprints, but this layout will require an almost
> perfect placement, and inspecting for a properly wetted fillet is not
> possible because there is not enough pad space to provide a good fillet. I
> have specifications from the supplier, but I question where their sizes come
> from. What standard can I obtain that shows recommended pad sizes for
> different components.
>
>
> Jim
>
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Technet Mail List provided as a service by IPC using LISTSERV 1.8e
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Technet Mail List provided as a service by IPC using LISTSERV 1.8e
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
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