Nihon Superior Introduces SN100C (551CT)

Aug 18, 2011

SN100C (551CT) fluxed-cored solder wire combines the benefits of a eutectic lead-free alloy with a robust, high-temperature capable cored flux for high-speed sequential soldering.

SN100C (551CT) fluxed-cored solder wire combines the benefits of a eutectic lead-free alloy with a robust, high-temperature capable cored flux for high-speed sequential soldering.

Nihon Superior Co. Ltd., a supplier of advanced soldering materials to the global market, introduces SN100C (551CT), the newest addition to its SN100C lead-free solder series.

SN100C (551CT) fluxed-cored solder wire combines the benefits of a eutectic lead-free alloy with a robust, high-temperature capable cored flux for high-speed sequential soldering. The cored flux is formulated for high soldering tip temperatures up to 380°C with good tip separation for reduced icicles. The SN100C alloy delivers a silver-free stable microstructure that can accommodate the long-term as well as impact strains to which a solder joint can be subjected. 

SN100C (551CT) is designed for high-speed robotic soldering processes and the excellent wetting and high spread factor offers increased soldering speeds with hand soldering as well. The eutectic character of the SN100C alloy and the associated high fluidity provides faster wetting and increased spreadability over SAC305. Twelve years after its introduction, the SN100C lead-free alloy continues to displace SAC305 in many applications due to its high reliability, low copper erosion and cost effectiveness.


Nihon Superior was founded in 1966 when it began marketing unique flux products imported from the US. The company made its mark on society by gathering the most advanced soldering and brazing technologies and products from around the world, and supplying them to companies in the metal-joining industry. A turning point for the company came when it started developing its own soldering materials and with the success of its unique SN100C lead-free solder alloy Nihon Superior has become a major player in the global market. To support the growing demand for its products Nihon Superior has established manufacturing and sales centers in Japan, China and other Asian countries and formed business partnerships with companies in other markets.

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