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Lead Free Solder Wire Sn96.5Ag3.0Cu0.5 SAC305


Lead Free Solder Wire Sn96.5Ag3.0Cu0.5 SAC305

Solder Wire SAC305

Lead Free Solder Wire Sn96.5Ag3.0Cu0.5, also known as SAC305, represents a remarkable innovation in the realm of soldering. Comprised of 96.5% tin (Sn), 3.0% silver (Ag), and 0.5% copper (Cu), this solder wire embodies the evolution of soldering towards environmentally conscious solutions. It's a premium quality solder alloy that is suitable for soldering tasks of high precision and high-quality requirements. Adding the silver is to enhance the electrical conductivity and resistance of corrosion. While adding copper is to improve the resistance to thermal fatigue and to improve the wetting property.


Specifications of Lead Free Solder Wire Sn96.5Ag3.0Cu0.5 SAC305:

Alloy Composition

96.5% Tin (Sn), 3.0% Silver (Ag), 0.5% Copper (Cu)

Melting Point


Flux Core Type

Rosin based flux or solid wire without flux

Flux Content

2% or customized as required


100g/roll, 200g/roll, 500g/roll, 1kg/roll or as required

Wire Diameter

From 0.3mm to 3.2mm


XF Solder or OEM service

Rosin Flux Core Lead Free Solder Wire

Rosin Flux Core

Different Diameters of Solder Wire

Different Wire Diameters

Different Weights of Solder Wire

Different Roll Sizes


Features of Lead Free Solder Wire Sn96.5Ag3.0Cu0.5 SAC305:

Super Conductivity

The inclusion of 3% silver adds superior electrical conductivity to the solder, making it apt for applications requiring efficient current flow.

Excellent Wetting

The presence of copper enhances the wetting proper, ensuring the solder will be evenly distributed and form strong connections.

Reliable Performance

This   solder wire is high quality material, it has good thermal conductivity and the solder joints are strong. It has long service life on the soldered components.

RoHS Compliance

SAC305 Solder wire is lead free alloy, it doesn't contain lead. It's ideal to be used for applications that requires RoHS or REACH compliant.


Applications of Lead Free Solder Wire Sn96.5Ag3.0Cu0.5 SAC305:

For soldering electronic components and electrical devices such as printed circuit boards, sensors, connectors, switches, microwave ovens, air conditioners, electric kettles, hair dryers and other components.


Soldering medical equipment such as pacemakers, defibrillators, ultrasound machines, and other devices that need to avoid lead contamination and comply with RoHS regulations.

Manual Soldering with solder wire

Manual Soldering

Robot Soldering with solder wire

Automatic Soldering

jewelry making with solder wire

Jewelry Soldering


How to use Lead Free Solder Wire Sn96.5Ag3.0Cu0.5 SAC305?

Manual Soldering: Lead Free Solder Wire Sn96.5Ag3.0Cu0.5 is versatile for manual soldering using soldering irons or stations.


Automatic Soldering: For mass production of electronics devices or PCBs, robot automatic soldering is accurate and fast.


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