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The Newest Addition to Nihon Superior's SN100C Lead-Free Solder Series Wins a 2012 NPI Award

Mar 05, 2012

Nihon Superior Co. Ltd., a supplier of advanced soldering materials to the global market, announces that it has received a 2012 NPI Award in the category of Soldering Materials for its SN100C (551CT) Flux-Cored Solder Wire. The award was presented to the company’s President, Tetsuro Nishimura, during a ceremony that took place on Tuesday, February 28, 2012 at the San Diego Convention Center in California.

After the announcement of the award, Tetsuro Nishimura said, “The receipt of this NPI Award, after having received a Global Technology Award for this product last year, confirms that the superior characteristics of the SN100C(551CT) flux-cored wire are being widely acknowledged. This success encourages us to continue our development of products that deliver high performance while being environmentally friendly. This development program is part of our commitment to advanced customer service and support.

SN100C (551CT), the newest addition to the SN100C lead-free solder series, combines the benefits of the SN100C high reliability alloy with a sustained activity cored flux. The 551CT core flux is formulated for use with soldering tip temperatures up to 380°C while still retaining sufficient activity to ensure good tip separation.  Compared with previous formulations icicling is reduced by 90 percent and spattering by 95 percent. The silver-free SN100C alloy has a stable microstructure that can accommodate both the long-term cyclic strain and the impact loading to which solder joints can be subjected in service.

SN100C (551CT) is ideal for sequential soldering and rework.  Now in the 13th year since 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.

Premiering in 2008, the NPI Awards program is an annual celebration of product excellence in electronics surface mount assembly. Premier products based on the finest examples of creative advancement in technology are chosen by a distinguished panel of industry experts.


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 the United States, and formed business partnerships with companies in other markets.

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