About SAC 305 Alloy
SAC 305 Alloy is one of the most widely used lead-free solders in the electronics industry and has become the standard choice in many manufacturing environments. Containing 96.5% tin, 3% silver, and 0.5% copper, this alloy delivers a strong balance between reliability, flow characteristics, and cost-effectiveness. The addition of silver provides improved wetting properties, while copper helps reduce dissolution of base metals, making SAC305 extremely versatile for a wide range of soldering applications.
Applications of SAC 305 Alloy
SAC305 is used across industries including automotive electronics, consumer electronics, telecommunications, and aerospace. Its consistent performance ensures stable solder joints in demanding environments. This alloy is particularly well-suited for:
- Surface mount technology (SMT): Provides excellent solderability for fine-pitch components.
- Wave soldering: Offers superior fluidity and reduced bridging compared with some other lead-free solders.
- Hand soldering: Easy to use for rework and repairs, with a smooth, reliable finish.
Many manufacturers choose SAC305 as their first lead-free alternative when transitioning away from traditional tin-lead solders, thanks to its proven track record of mechanical strength and thermal fatigue resistance.
Key Benefits of SAC 305 and SAC Alloys
- High-quality solder joints with excellent mechanical reliability
- Resistance to thermal fatigue, making it suited to long-term use in electronic assemblies
- Smooth and uniform wetting for reduced defects and rework
- Compatibility with most flux types, both no-clean and water-soluble
- Long shelf life when stored correctly
SAC 305 at DKL Metals
At DKL Metals, we offer a full range of SAC alloys to meet a variety of production needs. Our E-Qual 96TSC and E-Qual 97TSC products deliver high performance in both automated and manual soldering applications. Drawing on decades of solder manufacturing experience, we focus on providing consistent alloys supported by dependable technical assistance.
If you need SAC305 solder or another SAC alloy tailored to your specific requirements, our team is ready to help you select the best option for your process. Whether you operate large-scale wave soldering lines or manage small-batch surface mount assembly, SAC305 combines affordability and performance, making it the preferred choice worldwide.
For enquiries about our SAC Alloys, contact our team:
Tel: +44 (0)1506 847710
Email: sales@dklmetals.co.uk
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