Indium 80Au20Sn Gold-Tin Solder Wire | 0.030" Diameter

Indium 80Au20Sn Gold-Tin Solder Wire is a high-reliability eutectic solder alloy commonly used in medical electronics, aerospace, semiconductor, and hermetic packaging applications requiring strong mechanical performance and dependable long-term reliability. The eutectic 80Au20Sn composition provides a precise melting temperature of 280°C with no plastic range, supporting consistent solder joint formation and repeatable process control.

Gold-tin solder alloys are widely used in die attach, lid sealing, and high-reliability soldering applications requiring high mechanical strength, corrosion resistance, and excellent thermal conductivity. Indium identifies 80Au20Sn wire as compatible with precious metals and suitable for demanding operating environments.

Indium solder wire is manufactured to demanding quality standards and complies with ASTM B-32, J-STD-006, and JIS-Z-3282 specifications.

• Eutectic 80Au20Sn solder alloy
• Indalloy® 182
• Precise eutectic melting behavior with no plastic range
• Melting temperature of 280°C
• Excellent thermal fatigue resistance
• High mechanical strength
• Excellent corrosion resistance
• Excellent thermal conductivity
• Suitable for hermetic sealing applications
• Lead-free alloy
• High reliability under thermal cycling conditions

• Medical electronics assembly
• Hermetic packaging
• Aerospace electronics
• Die attach applications
• Lid sealing applications
• High-reliability soldering

Packaging Information:
• Alloy: 80Au20Sn
• Diameter: 0.030"
• Product Form: Solder Wire
• Length: Sold in 1 ft increments
• Lead-Free: Yes
• Manufacturer: Indium Corporation

Storage Recommendations:
Store in a clean, dry environment at room temperature. Refer to manufacturer documentation for recommended storage conditions.

• Product Data Sheet