Sticks SN97C – SnAg3Cu0,5 (400 × 10 × 10 mm)
SN97C from Balver Zinn is a lead-free SAC305 solder alloy developed for professional soldering processes where high mechanical strength, reliable solder joints, and documented process stability are crucial. This variant is supplied as triangular solder sticks with dimensions 400 × 10 × 10 mm and is suitable for industrial soldering applications in electronics manufacturing, automotive, and other high-reliability electronics.
The alloy is based on the SAC305 composition (SnAg3Cu0.5), which is currently among the most widely used lead-free solder alloys globally. The combination of tin, silver, and copper provides strong solder joints with high thermal and mechanical stability.
SAC305 – the industry standard for lead-free soldering
SN97C is based on SAC305 technology, which has long been the standard in modern lead-free electronics production. The alloy is particularly known for:
• High mechanical strength
• Good thermal cycling resistance
• Uniform soldering properties
• High reliability in demanding applications
• Proven performance in electronics manufacturing
This makes the alloy particularly suitable for products with long lifespan requirements and high operational reliability.
Suitable for industrial soldering processes
SN97C sticks are typically used for:
• Wave soldering
• Selective soldering
• Dip soldering
• Electronics production in larger series
• Industrial electronics
• Automotive electronics
• Hi-Rel electronics
• Solder pot maintenance
The alloy delivers stable results in both atmospheric air and nitrogen-based processes.
High quality and uniform solder joints
The silver-containing SAC305 alloy supports excellent solder joints with high strength and good wetting. At the same time, the copper content contributes to stable soldering properties and high process robustness.
Benefits include:
• Uniform solder quality
• High reproducibility
• Good through-hole fill
• Low risk of soldering defects
• High mechanical strength
• Stable process over time
Ideal for electronics with high reliability requirements
SN97C is often used in applications where quality and lifespan are critical parameters. Therefore, the alloy is popular in automotive, industrial electronics, the defense industry, and other areas with high reliability requirements.
Benefits of SN97C
• Lead-free SAC305 alloy
• SnAg3Cu0.5 composition
• High mechanical strength
• Suitable for Hi-Rel electronics
• Stable soldering process
• Good wetting properties
• High reproducibility
• Suitable for wave and selective soldering
• RoHS compliant
Technical specifications
Manufacturer: Balver Zinn
Product name: SN97C
Product type: Lead-free solder sticks
Delivery form: Triangular stick
Dimensions: 400 × 10 × 10 mm
Alloy type: SN97C (SAC305)
Composition: SnAg3Cu0.5
Lead-free: Yes
Silver content: Approx. 3.0 %
Copper content: Approx. 0.5 %
Melting range: 217-220 °C
Recommended working temperature: 260-320 °C
Application: Wave, selective, and dip soldering
RoHS compliant: Yes