The Restriction of Hazardous Substances (or RoHS)Directive, which first came into effect in July 2006, restricts the use of six hazardous substances in electrical and electronic equipment. The Directive has had widespread impact, not least the requirement for manufacturers to use lead free solder. A number of important changes have been made with the implementation at the beginning of January 2013 of the RoHS Recast (RoHS2) and these may have wide ranging implications for electronic design engineers. Although much has been made of the changes from the original Directive, it's important to consider exactly what these entail. First and foremost, RoHS2 still applies to eight of the 10 categories outlined by the Waste Electrical and Electronic Equipment, or WEEE, Directive.
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