Kester 24-7068-6401 is a professional lead free solder wire featuring a Sn96.5Ag3Cu0.5 alloy composition with 3.3% 331 Rosin Activated flux core, designed for precision electronics work on PCBs, through hole assembly, and component rework. The 0.020 inch diameter makes it ideal for fine soldering tasks where control and detail matter most, from delicate microelectronics repairs to intricate board level connections. This wire meets RoHS compliance standards and melts at 217 to 220 degrees Celsius, providing reliable wetting and joint strength across a wide range of professional soldering applications. As a Kester product manufactured in the USA, it delivers the consistency and performance that electronics technicians and repair specialists depend on when precision cannot be compromised.
Key Features:
Alloy Composition: Sn96.5Ag3Cu0.5 - A proven lead-free formula that meets RoHS compliance standards.
Diameter: 0.020 inches, ideal for fine, precise soldering tasks.
Packaging: 1 pound spool.
Flux Core: 3.3% 331 Water Soluble Flux
Melting Point: 217-220° C 422-428° F
.020" Diameter suitable for smaller to 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.
Size guide text
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