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Restriction of Hazarous Substances (RoHS) is the banning of six hazardous substances. These substances are lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl and polybrominated biphenyl ethers.
These substances are limited to 1000 parts per million (0.1%), with the exception of cadmium, which is restricted to 100 parts per million (0.01%). For the printed circuit board industry, the restrictions on lead and polybrominates (used as flame retardants in plastics, i.e. epoxy resins) are far-reaching.
How Does This Affect My PCBs?
In certain instances, tin-lead solder is no longer allowed. For many years the electronic industries used tin-lead solder to join the components and as a surface finish to protect the copper from corrosion. Lead-free solder requires materials with a high Td (decomposition temperature), as thermal profiles and dwell times increase.
POE's RoHS Solution
POE has been making lead-free boards since 2006. Our lead-free boards are made with laminate that have a higher Td to withstand the increased temperature and dwell times required during assembly. The surface finishes that we can offer are also RoHS compatible.
Lead-Free PCB Boards
We provide lead-free material like IS410 or R370HR and we use lead-free finishes like Immersion White Tin, Immersion Silver, Immersion Gold, or Lead-Free HASL.
Lead Free ROHS compliant PCB assembly services have been part of our capabilities for years and our long history in electronics manufacturing accounts for the exceptional quality and high yields our customers experience every day with this newer technology. Our attention to detail along with unsurpassed customer service explains why our customers keep coming back to us job after job.
In addition to Lead Free processing we also offer high quality SnPb solder solutions for products not required to meet ROHS specifications.