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October 2015

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Subject:
Re: IPC-A-610
From:
Victor Hernandez <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Fri, 16 Oct 2015 08:47:36 -0500
Content-Type:
text/plain
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text/plain (64 lines) 
A little more information on the issue.   Two source vendor connector, one is acceptable and the other isn't, encroachment onto SMT ceramic resistor.   The concern is edge card connector is tilted, IPC-A_610 section 8.1.2.   the edge connector could impact resistor integrity, solder joint, latent filed failure.   Not sure how connector is placed onto the card, auto or hand, for soldering.   If auto, ceramic resistor could receive impact during auto placement.   Just trying to be proactive.....


Victor,

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Gumpert, Ben
Sent: Friday, October 16, 2015 8:39 AM
To: [log in to unmask]
Subject: Re: [TN] IPC-A-610

What's the defect?
If there's no defect then it's acceptable. That doesn't mean it won't cause a problem, and if the design allows a condition that is undesired, then the requirements that go beyond what is defined in specification need to be added to the drawing.

Ben

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Nutting, Phil
Sent: Friday, October 16, 2015 9:19 AM
To: [log in to unmask]
Subject: EXTERNAL: Re: [TN] IPC-A-610

Ahhhh... why would someone think that was acceptable? Sorry, just my opinion.

Phil

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
Sent: Thursday, October 15, 2015 4:11 PM
To: [log in to unmask]
Subject: Re: [TN] IPC-A-610

Anymore input to my inquiry. Plastic housing connector edge/tab sitting/resting on top of two SMT ceramic resistors.

Victor,

From: Norman Mier [mailto:[log in to unmask]]
Sent: Thursday, October 15, 2015 10:09 AM
To: Hernandez, Victor G
Subject: [TN] IPC-A-610

Victor,
The answer is no spec.
Look at 7.1.8 and as long as it meets the contract requirements or company requirements it's acceptable.
Norman Mier
BEST, Inc

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