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ALPHA® SnCX Plus 07 is a no-silver, lead-free alloy suitable for use as a replacement for SnPb, SAC305 and other low silver SAC alloys in wave solder, selective soldering, lead tinning and rework processes.
ALPHA SnCX Plus 07 has been engineered to minimize copper dissolution and to improve total cost of ownership. As with all Alpha bar solder, Alpha’s proprietary Vaculoy® manufacturing process is used to remove certain impurities, particularly oxides. The product is enhanced with the addition of other elements designed to further improve alloy physical and mechanical properties, reduce drossing, increase wetting speed and force, and improve joint reliability. It significantly reduces the Total Cost of Ownership without sacrificing soldering and reliability performance on simple to moderately complex assemblies.
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Key Features:
RELIABILITY - Comparable to silver-bearing alloys (i.e. SAC305) and other enhanced Sn99.3Cu0.7 alloys in thermal fatigue resistance, lap shear, and pin pull performance
YIELD - Excellent production yields; outperforms Sn99.3Cu0.7 based materials
COPPER EROSION - Low erosion in long, hot exposure soldering process
DROSS GENERATION - Lowest in class due to the Vaculoy process in conjunction with the addition of a dross reducing agent
SOLDER FILLET SURFACE- Smooth and bright with no surface crack