6 April 2006Manufacturing / Production Technology, Hardware & Services
Information from Phoenix Contact
All new PCB products have to comply with the EU directives RoHS and WEEE. One of the consequences is that component manufacturers have to avoid using hazardous substances.
The effective date for RoHS-compliant products is 1 July, 2006. This EU directive does not only apply to the elimination of lead, but also to hazardous substances such as chromium-6, cadmium, mercury or polybrominated flame-retardants. Eliminating hazardous substances has particularly significant consequences for SMT production. These include higher processing temperatures needed with the use of lead-free solder paste. During the soldering process, as it is not only the soldering point that is exposed to the peak temperature, but also the entire component, the PCB components must be free of banned substances and be resistant to higher temperatures.
Every equipment manufacturer must deal with these statutory requirements. This necessitates qualification measures, but they can also be applied to optimise processes by integrating more and more components with SMT production. This ensures that cost-intensive process steps for non-machine-suitable components can be reduced.
In the context of PCB connection technology, this benefit can be realised on the basis of through-hole (THR) products. Sometimes it is difficult to identify which components are already available from a manufacturer in a lead-free version and which can be processed in a lead-free manner.
In respect of parts from Phoenix Contact, all the plug connectors and PCB terminals of the Combicon product family already comply with the requirements of the RoHS and WEEE directives. In addition, Phoenix Contact has set up a database system on the basis of which all products that comply with the directives will be automatically marked with a special label.
For more information contact Sean Hadley, Phoenix Contact, +27 (0)11 801 8200, [email protected], or Electrocomp, +27 (0)11 458 9000.
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