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Weller WSW SnPb (T0051403299) Solder Wire, Dia: 0.5 mm / 0.020 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2%

Weller WSW SnPb (T0051403299) Solder Wire

Bottom line: The Weller WSW SnPb Solder Wire: Sn60Pb40 leaded alloy melts low for clean retro PCB and vintage electronics rework; main trade-off: contains lead (Pb40); ventilate and wash hands, not RoHS-compliant.

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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 melts low for clean retro PCB and vintage electronics rework
  • ✓ 2.2% continuous flux core wets oxidized and difficult joints consistently
  • ✓ Fine 0.5 mm gauge suits precise SMD and small through-hole work
  • ✓ Reduced-splash formula keeps tips and workspace cleaner during long sessions

Cons

  • ✗ Contains lead (Pb40); ventilate and wash hands, not RoHS-compliant
  • ✗ 100 g spool runs small for high-volume production soldering
  • ✗ 0.5 mm diameter too thin for large pads or heavy-gauge wire
  • ✗ Leaded solder restricted for consumer electronics sale in EU/RoHS markets

Manufacturer description

SATA has gained great success for its product quality, responsive innovation, & service

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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

Color‎Silver
Style‎.5 mm
Usage‎Professional
Weight100 g
Material‎copper
Part Number‎T0051403299
Power Source‎Hand Powered
Batteries Required?‎No
Included Components‎Weller WSW SnPb (T0051403299) Lead Free Solder Wire, Dia: 0.5 mm / 0.020 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2%
Warranty Description‎No Warranty - Consumable
Item Package Quantity‎1
Full listing titleWeller WSW SnPb (T0051403299) Solder Wire, Dia: 0.5 mm / 0.020 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2%

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Weller WSW SnPb (T0051403299) Solder Wire, Dia: 0.5 mm / 0.020 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 (T0051403299) Solder Wire, Dia: 0.5 mm / 0.020 in, Wt: 100 g / 3.527 oz, Alloy Sn60Pb40, Flux content 2.2%
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