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What are the alternatives to RoHS banned substances?

April 26, 2017Alternatives banned RoHS substances

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What are the alternatives to RoHS banned substances?

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• Lead in Solder => Tin alloys (Limitation: All different, most have higher melting point. Sn 3.5 Ag 0.7Cu most popular) • Mercury wetted relays => Gold plated contacts (Limitation: Impossible to achieve zero bounce without mercury, life much shorter) • Hexavalent chromium passivation => Various alternatives (Limitation: For exposed metals, alternatives give inferior performance in many cases) • PBDE in plastics => Other flame retardants (Limitation: All perform differently.