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October 2005

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Subject:
Re: Ledafree solder Paste: SAC305 v/s SAC405
From:
David Suraski <[log in to unmask]>
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Mon, 24 Oct 2005 15:25:57 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (54 lines) 
Hi Dave,

Could you expand upon your statement that " 405 is better than 305 in
certain applications"? Which specific types of applications?

Regards,
David 


-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of MA/NY DDave
Sent: Monday, October 24, 2005 3:09 PM
To: [log in to unmask]
Subject: Re: [LF] Ledafree solder Paste: SAC305 v/s SAC405

Hi Ken, IPC LF Listservers,

Just a quick one, since I saw this note stream last night.

Ken, you have to decide why technically, financially, or infra-structure
wise you might want 405 or even the iNEMI, Soldertec(Tin Institute)
recommended compositions of just a few years ago.

If you have an application or a place where 405 makes the most sense you
will want to use it. 405 is better than 305 in certain applications.

As always Reliability and Field Returns, your company pays for directly
or indirectly, should be one element in your assessment.


Yours in Engineering, Dave
YiEngr, MA/NY DDave

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