Sn99Ag0.5Cu0.5 Lead-Free Solder Wire

Sn99Ag0.5Cu0.5
Sn99Ag0.5Cu0.5 lead-free solder wire is a tin-silver-copper solder alloy developed for reliable lead-free soldering in electronic assembly. With a melting point of approximately 227°C and available diameter from 0.25mm, it offers good solder flow, stable wetting, and consistent solder joint formation for PCB assembly, component soldering, and repair applications.
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Sn99Ag0.5Cu0.5 Lead-Free Solder Wire

A low-silver Sn99Ag0.5Cu0.5 lead-free solder wire for electronic assembly, electrical connections and industrial soldering where alloy cost and joint performance must be balanced.

Sn99Ag0.5Cu0.5Low-Silver Tin-Silver-Copper
Approximately 217–227°CMelting point
Flux-cored / solid optionalWire configuration
Sn99Ag0.5Cu0.5 Lead-Free Solder Wire
Sn99Ag0.5Cu0.5 Lead-Free Solder Wire

Low-silver SAC solder wire for practical lead-free assembly

Sn99Ag0.5Cu0.5 combines tin, a controlled silver addition and copper in a low-silver SAC composition. It is intended for applications that need lead-free process compatibility while controlling silver content and material cost.

01

Low-Silver SAC Alloy

Sn-Ag-Cu composition with 0.5% silver and 0.5% copper.

02

217–227°C Range

Lead-free melting range suitable for validated electronics processes.

03

Cost Control

Lower silver content helps balance alloy cost and joint requirements.

04

Electronic Soldering

Suitable for PCB, LED, electrical and selected industrial joints.

05

Flux-Cored Option

Built-in flux supports manual soldering and production feeding.

06

Custom Supply

Diameter, flux, spool weight, labeling and packaging can be discussed.

Product Specifications

Reference information for initial product selection. Final alloy tolerance, diameter, flux content, packaging and process conditions should be confirmed before ordering.

Recommended Use

Recommended for PCB assembly, LED products, electronic repair, electrical components and selected industrial lead-free soldering where a low-silver SAC alloy is preferred.

Product Name
Sn99Ag0.5Cu0.5 Lead-Free Solder Wire
Alloy / Series
Sn99Ag0.5Cu0.5
Alloy Family
Low-Silver Tin-Silver-Copper
Melting Point
Approximately 217–227°C
Wire Diameter
≥0.25 mm
Wire Type
Flux-cored / solid optional
Flux Options
Rosin core / no-clean / custom option subject to selected specification
Packaging
10 g tube; 100 g / 200 g / 250 g / 500 g / 1000 g / 2000 g spool options subject to specification

Typical Applications

Application suitability depends on substrate finish, component design, flux selection, soldering equipment and reliability requirements.

Application 01PCB Assembly
Application 02LED Products
Application 03Electrical Connections
Application 04Industrial Electronics

Explore Lead-Free Solder Wire Options

Compare related alloys and wire configurations within the Jufeng lead-free solder wire series.

Technical information is provided for product selection reference. Validate the selected material using the actual components, substrates, equipment and reliability requirements.

Need a lead-free solder wire specification?

Send the required alloy, diameter, flux system, spool weight, application and annual demand for technical review and quotation.

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