| Customization: | Available |
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| Type: | Bare |
| Conductor Type: | Solid |
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0.3mm Tinned Copper Alloy Wire - Fine Gauge for Repairs is tailored for precision electronic repairs, rework, and circuit modifications where space is tight and accuracy is essential. The wire combines a high-conductivity copper alloy core with a tin coating that enhances corrosion resistance and simplifies soldering, even under low-temperature iron tips.
Its manageable diameter, stable conductivity, and excellent surface finish make it ideal for technicians and electronics professionals working on compact devices or delicate components.
0.3mm fine gauge provides precision control for micro-repairs and modifications
Tin plating ensures easy, clean soldering with strong bonding
Smooth surface and flexible form factor prevent board damage or trace lift-off
High conductivity supports signal and power continuity in dense PCBs
Available in spools or custom cuts for bench-top and field use
PCB rework and circuit patching in consumer electronics
Fine lead wire repair for sensors, cameras, and mobile devices
Small-scale jumpers and bridging in prototype or test environments
Medical, aerospace, or telecom devices requiring compact repair conductors
Low-voltage DIY projects and high-precision soldering tasks
Material: High-Conductivity Tinned Copper Alloy
Surface Finish: Bright, Smooth, Uniform Tin Coating
Diameter: 0.3mm ±0.01mm
Compliance: RoHS / ISO9001 / REACH certified
Packaging: Repair kits, spools, or pre-cut lengths for quick use
| Parameter | Single Strand (Solid) | Stranded Wire |
|---|---|---|
| Conductor Material | High-purity copper (≥99.9%) | High-purity copper (≥99.9%) |
| Tin Plating Thickness | 3-5 μm (ASTM B33 compliant) | 2-4 μm per strand (IEC 60228 compliant) |
| Wire Diameter Range | 0.05mm - 4.0mm | 0.08mm - 6.0mm (stranded diameter) |
| Strand Structure | N/A | 7/0.1mm, 19/0.08mm, etc. (customizable) |
| Cross-Sectional Area | 0.002mm² - 12.5mm² | 0.1mm² - 50mm² (equivalent) |
| Resistivity | ≤0.01724 Ω·mm²/m (20°C, 100% IACS) | ≤0.0178 Ω·mm²/m (20°C, 98% IACS) |
| Tensile Strength | 200-400 MPa (soft/hard temper options) | 150-300 MPa (flexible stranded design) |
| Temperature Range | -40°C to +150°C (UL 1581 certified) | -40°C to +105°C (continuous operation) |
| Solderability | Excellent (tin layer prevents oxidation) | Excellent (uniform tin coating) |
| Applications | PCB jumpers, connectors, sensors | Flexible cables, robotics, automotive wiring |
| Certifications | RoHS, REACH, ASTM B33, IEC 60228 | UL 1581, EN 13602, MIL-W-16878E |
Mosstee specializes in high-performance conductor materials, including silver-plated copper wire, nickel-plated copper wire, copper-clad aluminum, copper-clad steel, and aluminum alloy cables, widely used in power, telecommunications, automotive, and new energy industries.
1. Three Decades of Specialized Expertise
As a pure-play wire & cable manufacturer since 1990, we deliver precisely engineered solutions for industrial, energy, and infrastructure applications.
2. Certified Quality Assurance
All products meet UL, CE, and RoHS standards, with ISO 9001-certified manufacturing ensuring 99.97% defect-free delivery across 50+ countries.
3. Eco-Conscious Production
REACH-compliant materials reduce carbon footprint by 30% vs industry average, with 85% recyclable product designs.
Service Excellence
1. 24/7 Technical Support
Dedicated engineers on-call for urgent troubleshooting, with <3hr response time for critical infrastructure projects.
2. Customization from Blueprint to Delivery
• Prototype development in 10-14 days
• Minimum Order Quantity (MOQ) as low as 50 kgs
• OEM/ODM compliant with NEC, IEC & EN standards
3. Transparent Project Management
Assigned account managers provide weekly progress reports with:
4. Risk-Free Trial
Test samples in your application for 90 days - we cover return shipping if unsatisfied.
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