Kester part number 24-7068-6403 is a professional grade lead free solder wire featuring a Sn96.5Ag3Cu0.5 alloy composition with 3.3% 331 water soluble flux in a 0.031 inch diameter. This wire excels in PCB assembly, electronics rework, and through hole soldering applications where precision and reliability matter. The 331 flux formulation provides excellent wetting and minimal residue, while the SAC alloy meets RoHS compliance requirements for modern electronics manufacturing. Choose this solder for professional work that demands consistent results and easy cleanup with water soluble flux technology.
Key Features:
Alloy Composition: Sn96.5Ag3Cu0.5 - A proven lead-free formula that meets RoHS compliance standards.
Diameter: 0.031 inches.
Packaging: 1 pound spool, suitable for both professional and hobbyist use.
Flux Content: 3.3% 331 Water Soluble Flux
Melting Point: 217-220° C 422-428° F
.031" Diameter suitable for medium sized soldering jobs. Water Soluble flux must be cleaned thoroughly after use.
Ultra fine sized diameter useful for precision soldering and micro electronics.
.015" (0.4 mm)
Very fine sized diameter useful for precision soldering and jobs requiring small amounts of solder.
.020" (0.5 mm)
Fine sized diameter used for through hole and and surface mount work. Delivers a Controlled amount of solder.
.025" (0.6 mm)
Ideal for standard circuit board components where precision is needed but not ultra-fine work.
.031" (0.8 mm)
Ideal for fixing circuit boards, replacing components, and general rework. Popular for Arduino, Raspberry Pi, and DIY projects. It's a versatile diameter, often called the "sweet spot" for electronics.
.040" (1.0 mm)
Perfect for surface-mount devices (SMDs) and medium components where precision is key but more solder is needed.
.050" (1.27 mm)
Used for various tasks where a balance of flow and control is required, like general electrical repairs.
.062" (1.5 mm)
medium-thickness wire ideal for general electronics, larger through-hole components, appliance repair, automotive work, and crafts like stained glass
.093" (2.36 mm)
versatile, medium-to-thick wire used for general and heavier-duty electrical, electronics, automotive, and HVAC repairs/manufacturing.
