Solder Wire 0.8mm (40/60 Tin-Lead) – Rosin Core

This is a reliable, beginner-friendly solder wire for electronics projects. The 0.8mm size is easy to control, making it great for common tasks like soldering headers, wires, and through-hole parts on PCBs and perfboards.

Why students like this solder:

• Easy to melt (tin-lead solder usually melts faster than lead-free, so it’s less frustrating for beginners)
• Rosin core helps solder flow smoothly and improves wetting on pads and component legs
• 0.8mm thickness is a good “all-around” size—clean joints without using too much solder
• Good for everyday electronics like Arduino/ESP projects, basic repairs, and school builds

Best for: Arduino and ESP header pins, wires, connectors, perfboard projects, and general PCB soldering.

Quick soldering tips (for cleaner joints):

• Touch the soldering iron tip to both the pad and the component lead first.
• Feed solder into the joint (not directly onto the tip).
• Stop once the joint looks smooth and shiny—avoid big blobs.
• Keep the iron tip clean and re-tin it often.

Safety note (important): This is lead solder. Solder in a well-ventilated area, avoid breathing fumes, and wash your hands after use. Do not eat or drink while soldering.

If you’re new to soldering, this external guide is a helpful reference: SparkFun – How to Solder (Through-Hole)

Specifications:

• Type: Rosin core solder wire
• Alloy: 40/60 (Tin/Lead)
• Wire diameter: 0.8mm
• Color: Silver

Inclusions: 1 × Solder Wire 0.8mm (40/60 Tin-Lead) – Rosin Core