The Kester 24-7068-7603 is a professional grade lead free solder wire featuring a Sn96.5Ag3Cu0.5 alloy composition with 2.2 percent 275 Rosin Activated flux core. At 0.020 inches in diameter, this wire is ideal for precision electronics work including PCB assembly, component level rework, through hole soldering, and detailed repair tasks where fine control and reliable joints are essential. The 275 No Clean flux minimizes post soldering cleanup, allowing residue to remain on the board without degrading performance or aesthetics. Made in the USA and RoHS compliant, this solder delivers consistent results for professional technicians and advanced hobbyists who demand dependable performance on critical soldering applications.
Key Features:
Alloy Composition: Sn96.5Ag3Cu0.5 - A proven lead-free formula that meets RoHS compliance standards.
Diameter: 0.020 inches.
Packaging: 1 pound spool.
Flux Core: 2.2% 275 No Clean Flux
Melting Point: 217-220° C 422-428° F
.020" Diameter suitable for smaller to medium sized soldering jobs. No Clean Flux designed to be left on the board with minimal cleaning.
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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