0.3mm Lead Free Solder Wire, Rosin Core Solder for Electronics, Sn97/Ag0.3/Cu0.7, 50g Fine Thin Solder Wire for PCB, Circuit Boards, Micro Soldering and Precision Repair
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- VIRALLOY 0.3mm lead free solder wire is designed for precision electronics work, micro soldering, small components, PCB repair, circuit boards, and detailed electrical soldering tasks.
- Made with Sn97/Ag0.3/Cu0.7, this electronic solder wire offers a lead-free option for clean, reliable soldering on delicate electronics, hobby projects, and circuit board repairs.
- The built-in rosin flux core helps the solder flow smoothly, wet evenly, and form neat solder joints without needing separate solder flux for most common electronics soldering jobs.
- A practical thin solder wire for PCB soldering, micro components, small wires, LED projects, circuit board work, phone repair, electronics repair, and precision DIY soldering.
- The compact 50g spool feeds smoothly and gives better control during detailed soldering work, making it suitable for technicians, hobbyists, students, makers, and repair workshops.
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Select a product to estimate shipping.VIRALLOY’s 0.3mm lead-free solder wire is a precision tool for detailed electronics work. It’s ideal for repairing circuit boards, working on small components, and undertaking intricate soldering tasks. This solder wire offers a reliable, lead-free solution for your projects. Key Highlights Precise Soldering: The 0.3mm diameter allows for accurate placement and control during soldering. Lead-Free Formulation: Made with Sn97/Ag0.3/Cu0.7, suitable for electronics where lead-free solder is preferred. Integrated Rosin Flux: Includes a rosin core to promote smooth solder flow and consistent joint formation. Compact Spool: The 50g spool provides controlled feeding for detailed work and minimizes waste. Versatile Application: Suitable for PCB soldering, micro components, LED projects, and general electronics repair. Useful Facts Manufacturer: VIRALLOY Item Weight: 1.76 ounces Package Dimensions: 3.5 x 2.4 x 1.3 inches Size: 0.3mm 50g Material: Tin Good Fit For Technicians performing electronics repairs Hobbyists working on electronics projects Students learning electronics assembly Makers and DIY enthusiasts Anyone needing precise soldering for small components
Product details





| Main Specification | |
|---|---|
| Manufacturer | VIRALLOY |
| Brand | VIRALLOY |
| Item Package Quantity | 1 |
| Included Components | 1pc Solder Wire |
| Power Source | Heat from Soldering Iron |
| Material | Tin |
| Size | 0.3mm 50g |
| Item Weight | 1.76 ounces |
| Product information | |
| Package Dimensions | 3.5 x 2.4 x 1.3 inches |
| Item model number | SW-5000 |
| Others | |
| Date First Available | 2025 or October 16 |
| Product Type | Solder |







