Hi Joel,
The EU legislation limits the use of 6 hazardous chemicals (Lead, Cadmium, Mercury, Hex Chromium, PBBs and PBDEs). RoHS 6 compliant means that all these 6 substances are below the permissible level in the assembly. RoHS 5 means that 5, out of the 6 substances are below the permissible level, and the 6th substance is above the permissible level, but is covered by a RoHS exemption (thereby making the assembly RoHS compliant). Usually lead is above the permissible level in RoHS 5 assemblies as there are lead solder exemptions for specific applications.
If your assembly is RoHS 6, you need not declare a class, but if its RoHS 5, you must state that it is RoHS 5 and then state the exemption class that is applied to the product.
Regards,
Amol Kane
M.S (Industrial Eng.)
Process Engineer
Harvard Custom Manufacturing, Inc.
941 Route 38 Owego, NY 13827
Phone: (607) 687-7669 x349
[log in to unmask]
www.harvardgrp.com
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Joel Alexander
Sent: Tuesday, July 18, 2006 9:07 AM
To: [log in to unmask]
Subject: [TN] RoHS 5 and RoHS 6
Can anyone explain these two classes of RoHS and do you have to claim a
class or just declare that you product is RoHS compliant
Joel Alexander
APSCO Quality Assurance Manager
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