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September 1999

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Subject:
From:
Nancy Trumbull <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 17 Sep 1999 15:39:38 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (101 lines)
Allen,
Looking on page 121 of your 610

10.2.6 Round or Flattened leads
Maximum Heel fillet height  is Dim E 
Dim E is on page122  
Get back to me if needed

Hope this is it and it helps
Nancy

>>> "Kluz, Allen E." <[log in to unmask]> 09/17/99 02:28PM >>>
This is on the top side of the pcb, using a surface mount part.  I have the
'94 IPC 610 book, looking on pg. 123, under SMT assy.

Sorry, your drawing doesn't help for my application.
> -----Original Message-----
> From: Nancy Trumbull [SMTP:[log in to unmask]] 
> Sent: Friday, September 17, 1999 11:19 AM
> To:   [log in to unmask] 
> Subject:      Re: [TN] maximum solder joint thickness
>
> Hi Allen,
> I would like to help you but I'm not sure about your question.
> Please give a little more information.
> 1. What side of the PCB
> 2. Plated through or not
> 3. Joint = Solder thickness yes
> 4. What page are you looking on
>
> Your question is how thick can the solder be from the pad to
> the lead.
> Please open the attachment and let me know if this is what your
> are asking.
> Jack Crawford will know I'm sure
> Or e-mail me
> [log in to unmask] 
>
> Nancy
> >>> "Kluz, Allen E." <[log in to unmask]> 09/17/99 10:42AM >>>
> Technetters,
> I've been searching through the IPC-A-610: Acceptability of Electronic
> Assemblies Guidelines, and can't find anything on guidelines for maximum
> joint thickness (from the pad to the lead). The manual refers to as the
> "G"
> dimension, which clearly identifies the minimum thickness'.  Does anyone
> know of guideline for this and where it's stated?  I'm looking for a round
> lead in particular.
>
> Thanks in advance.
>
>
> Allen Kluz
> Supplier Quality Engineer
> [log in to unmask] 
>
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>  << File: Joint.doc >>

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