Products Gold Solder AuLTRA® Fine Wire

AuLTRA® Fine Wire

Indium Corporation’s AuLTRA® Fine Wire is a precision, high-reliability gold-tin wire suitable for medical, aerospace, and other critical applications. Our AuLTRA® Fine Wire delivers superior wetting and solderability, and offers high yield in automated processes. All solder wire complies with the requirements of ASTM B-32, J-STD-006 (formerly QQS-571F), and JIS-Z-3282.

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  • Superior Wetting and Solderability
  • High Yield in Automated Processes
  • High-Reliability for Critical Applications
Close-up of several thin, gold-colored wires arranged in parallel lines against a dark background.

Capabilities

Range from .001″ (0.025mm) diameter to .250″ (6.35mm) and larger. Actual dimensions achievable are subject to the properties of each metal. We have developed standard tolerances but can work with you to accommodate any special requirements.

Packaging

Solder wire is packaged on spools. We can create specialized packaging to meet specific needs, such as spool size, quantity per spool, or other requirements.

Delivery

Short lead times enable you to get your order in time to meet your production schedule. Each order can be shipped with a Certificate of Analysis, which includes information on metallic impurities. We can also provide a Certificate of Conformance when wire is made to customer specifications.

Storage

The shelf life of solder wire is determined by the alloy and its resistance to oxidation, as well as the storage container and the conditions in which it is stored.

>280°C

Critical Applications

Pb-free

#1 in Reliability

DiameterStandard Tolerance
Up to .002″ (.050mm)± .0005″ (.0127mm)
>.002″ (.050mm) to .010″ (.254mm)± .002″ (.050mm)*
>.010″ (.254mm) to .060″ (1.52mm)± .002″ (.050mm)
>.060″ (1.52mm) to .250″ (6.35mm)± .003″ (.076mm)
>.250″ (6.35mm)± 2.5%

Product Data Sheets

AuLTRA® Fine Wire for Medical and Aerospace Applications PDS 100302 (A4) R0.pdf
AuLTRA® Fine Wire for Medical and Aerospace Applications PDS 100302 R0.pdf

Related Applications

AuLTRA® Fine Wire is suitable for a variety of applications.

High Temperature Soldering

High-Temperature Soldering

Offering high-temperature soldering materials for critical applications in harsh

Microchip being inserted onto PCB

High-Reliability

Various options for various high-reliability PCBA

Black textured cylinder with cryogenic seals, featuring three white rectangular labels on top.

Sealing: Cryogenic & Hermetic

Low temperature liquid & fusible alloys for precise melt

Related Markets

Indium Corporation is a leading gold solder innovator that provides high-temperature, high-reliability, and critical applications such as die-attach and hermetic sealing to the following areas:

Do you have technical questions or sales inquiries? Our dedicated team is here to help. “From One Engineer to Another®” isn’t just our motto—it’s our commitment to delivering exceptional service. We’re ready when you are. Let’s connect!

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