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Weller WSW SnPb (T0051403099) Solder Wire, Dia: 1.0 mm / 0.039 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2%

Weller WSW SnPb (T0051403099) Solder Wire

Bottom line: The Weller WSW SnPb Solder Wire: Sn60Pb40 leaded alloy flows at low temp for easy retro PCB and through-hole work; main trade-off: leaded Sn60Pb40 is not RoHS compliant; needs proper ventilation.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For PC and retro-hardware cleaning and maintenance tools, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Sn60Pb40 leaded alloy flows at low temp for easy retro PCB and through-hole work
  • ✓ 100% continuous 2.2% flux core prevents cold joints and costly rework
  • ✓ Reduced-splash formula keeps the tip and workbench cleaner
  • ✓ Patented alloy cuts tip consumption up to 70% for lower cost per job

Cons

  • ✗ Leaded Sn60Pb40 is not RoHS compliant; needs proper ventilation
  • ✗ 1.0mm gauge is too thick for fine 0402 or dense SMD rework
  • ✗ 100g spool is small for high-volume production soldering
  • ✗ Costs more per gram than generic bulk solder wire

Manufacturer description

Designed to enhance the quality of all hand and robotic soldering jobs, Weller WSW increases productivity while reducing operating costs. WSW solder wires optimize the performance of the soldering process by reducing tip consumption , ensuring a low total cost of ownership by decreasing labor time and resources. The patented Reduced Splash feature increases direct user safety and clean workbrench. With a guaranteed 100% continuous flux core, combined with pure first metal melting, WSW avoids costly rework and enables long-term, highly durable solder joints without cracking, even on difficult…

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SpecPicks Verdict

SpecPicks scored Weller WSW SnPb Solder Wire using a rating × review-volume × price-fit model applied to published specs and reviews across the tools & maintenance category. Compare with similarly-priced alternatives in the tools & maintenance category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for tools & maintenance: PC towers accumulate significant dust in 3–6 months, so cleaning frequency drives cordless vs. canned-air tradeoff decisions. Match the device's RPM or CFM rating to your case size, and confirm battery runtime covers a full tower cleaning before ordering. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • PERFORMANCE & PRODUCTIVITY - Optimized performance with a guaranteed and consistent 100% continuous flux core.
  • QUALITY SOLDER JOINTS - Long-term, highly durable soldering joints that will not crack, even on difficult surfaces.
  • LOW TOTAL COST OF OWNERSHIP - Up to 70% less reduced tip consumption and provide a low total cost of ownership by saving labor time & ressources due a higher productivity.
  • REDUCED SPLASH - Increase direct user safety as well as workplace cleanliness.
  • FLOW + HEAT PERFORMANCE - Patented alloys guarantee optimal results.

Full Specifications

BrandWeller
ColorSilver
Weight100 g
MaterialCopper
Item FormSolid Single-Strand
Item ShapeWire
Unit Count1.0 Count
Finish TypeUnfinished
Part NumberT0051403099
Model NumberT0051403099
Item Diameter1 Millimeters
Wire Diameter1 Millimeters
Item Thickness1 Millimeters
Item Type NameSolder Wire
Number of Items1
Included ComponentsWeller WSW SnPb (T0051403099) Lead Free Solder Wire, Dia: 1.0 mm / 0.039 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2%
Warranty DescriptionNo Warranty - Consumable
Full listing titleWeller WSW SnPb (T0051403099) Solder Wire, Dia: 1.0 mm / 0.039 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2%

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Weller WSW SnPb (T0051403099) Solder Wire, Dia: 1.0 mm / 0.039 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2% is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Weller WSW SnPb (T0051403099) Solder Wire, Dia: 1.0 mm / 0.039 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2%
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