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Eco Solder

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The history of soldering goes back some 5,000 years ago, but fundamental soldering has always been the Sn-Pb series solder that consists of tin and lead. However, lead pollution in groundwater has been recognized as an environmental problem and complete elimination of the use of lead is called for. Realizing that protection of our environment is our task in the 21st century, SMIC has earnestly extended our research in this area and developed Lead-Free solder "ECO SOLDER." Please contact for any problem that relates to Lead-Free soldering. We are thoroughly prepared to introduce a Lead-Free soldering system as we have a comprehensive technology base and have constructed support systems in various phases.
Comparison of typical Lead-Free alloy M705 and Sn63 characteristics
Item Alloy composition Melting temperature (°C)
Tensil
Strength
(MPa) Elongation
(%) Young's
modulus
(GPa) Specific
Gravity
M705 Sn-3.0Ag-0.5Cu 217 to 220 53.5 46 41.6 7.4
Sn63 Sn-37Pb 183 56 56 25.8 8.4.
Product Feature
ECO SOLDER Lead-Free ECO SOLDER developed by SMIC offers high soldering reliability compared with the Sn-Pb series solder of the past and is available in a wide product lineup according to the required soldering temperature. Product availability may be limited for certain alloy compositions. Please select the appropriate product from the ECO SOLDER Products Guide below.

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