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November 2005

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Subject:
Re: RoHS exemptions containing lead
From:
Phil Nutting <[log in to unmask]>
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Tue, 22 Nov 2005 12:02:23 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (112 lines) 
I spoke with the vendor.  The exposed leads are tin coated.  The High
Temp lead is only at the internal joint between the lead and the chip.
From my way of thinking this is a RoHS compliant part. 

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Roger Stoops
Sent: Tuesday, November 22, 2005 11:24 AM
To: [log in to unmask]
Subject: Re: [LF] RoHS exemptions containing lead

Agree with all, and if data sheet says that the 2nd-level interconnect
is Pb-free/RoHS compliant, you're home free...

Roger

BTW, only $64 ? Budget cutbacks just like the rest of us?  8)

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Morse, Carrie
Sent: Tuesday, November 22, 2005 11:21 AM
To: [log in to unmask]
Subject: Re: [LF] RoHS exemptions containing lead

Phil,
WHERE on the part is the HT alloy?
There ARE exemptions for the HT alloy but, I would expect that the lead
is INSIDE the component.  If that's the case, then, you shouldn't need
to worry about X-contamination.

-Carrie

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Phil Nutting
Sent: Tuesday, November 22, 2005 11:13 AM
To: [log in to unmask]
Subject: [LF] RoHS exemptions containing lead

OK, here is today's $64 question.
 
We have a vendor stating his parts are as follows;
 
(RoHS Compliant, with exemptions: 

The supplied product does contain relevant substance exempt under the
following criteria:

Lead (Pb) in high melting temperature type solders (i.e.) tin-lead
solder alloys containing more than 85% lead.)

If we have some of these parts and solder them into circuit boards in
our lead-free wave solder system, aren't we going to contaminate our
solder pot with lead?

Are these vendors off base by supplying components with "high temp"
solder to get around the RoHS requirements?  In my opinion they are
taking the easy way out for them with no concern for their customers.
 
Has anybody else encountered this and what was your solution?  I feel a
vendor change coming on.
 
Phil

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