ALPHA SnCX 100 is zero silver lead-free alloy suitable for use in most wave, selective solder and HASL (Hot Air Solder Leveling) applications. SnCX 100 delivers fast soldering, low drossing and low copper dissolution as compared to silver-bearing alloys.
The SnCX 100T variant is used as a replenishment alloy in solder baths with elevated copper levels. As with all Alpha Metals bar solder, Alpha’s proprietary Vaculoy™ manufacturing process is used to remove certain impurities, particularly oxides. The product is further 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.
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Features:
- Bright and smooth solder fillet appearance with no surface crack
- Excellent production yields. Outperforms Sn99.3Cu0.7 based materials
- Suitable in wave and hand soldering applications
- Suitable for both horizontal & vertical HASL process with flat and uniform coating
- Low dross generation delivered by Vaculoy process in conjunction with the addition of a dross reducing agent
- Low copper dissolution rate
Benefits:
- Lowers Total Cost of Ownership due to the lower material cost
- Compatible with various surface finishes
- Delivers good performance across different soldering processes technologies
- Good solderability due to the fast wetting speed