Rosin core solder wire: the basic consumable of a retro workshop

Replacing a swollen capacitor on a Game Boy, resoldering an IPS screen ribbon cable or reworking a cold joint on a PlayStation board: it all starts with the spool. This lead-free wire has a 2% rosin core that cleans the surface as it heats, and comes in 0.8 or 1.0 mm depending on how fine the pads you are working on are.

What it does

• Built-in flux: the rosin (2% of the wire) cleans off oxide while you solder, with no need for a separate bottle of flux for everyday joints.
• Two diameters: 0.8 mm for tightly spaced pads and SMD components, 1.0 mm for connectors, wires and large ground joints.
• Three sizes: 20 g for occasional fixes, 50 g for regular use, 100 g for a busy workshop.
• Lead-free alloy: composition stated by the manufacturer as 97.7% tin, 0.3% copper, 0% lead, declared RoHS compliant.

What it doesn't do

• It is not the easiest wire to start with. A lead-free alloy needs a hotter tip and wets less well than 60/40: if you are soldering for the first time, practise on a scrap board.
• It does not replace liquid flux or flux paste for delicate operations — desoldering a shield, reworking a ribbon cable, a multi-pin connector.
• “No-clean” means the residues are low-corrosion, not that they are invisible: a wipe with isopropyl alcohol is still recommended on a visible board.
• The melting point of 183 °C stated by the supplier corresponds to a tin-lead alloy and contradicts the declared lead-free composition. We are not repeating this value until it is confirmed: plan for an iron that can hold 320 to 350 °C.
• No soldering iron, tip, desoldering braid or pump is supplied.

Compatibility

It is a general electronics consumable: it suits all retro console and controller boards, IPS screen modules, tab batteries, arcade buttons and connectors. It is not tied to any particular machine. However, it is not intended for plumbing, jewellery or aluminium soldering, nor for food-contact soldering.

Skill level required

Soldering skills essential: this product is aimed at people who already handle an iron. You will need a temperature-controlled iron with a fine tip, a sponge or bronze wool, desoldering braid and a ventilated room — rosin fumes need to be cleared. On a console board, a helping hand or a holding vice keeps you from tearing off a pad. If in doubt about the diameter, 0.8 mm covers the vast majority of console repair work.

In the box

• 1 spool of solder wire, diameter and weight according to the chosen variant (0.8 mm in 20, 50 or 100 g · 1.0 mm in 20 or 50 g).
• No tools, no additional flux, no instructions.

Listing verified on 19 August 2026.

Read before ordering: Workshop & modding

Delivery in 10 to 18 days · ships within 3 to 5 days · 2-year legal guarantee of conformity · 14-day returns.