| Customization: | Available |
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| Type: | Bare |
| Conductor Type: | Solid |
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Transformer Coil Winding Tinned Copper Alloy Wire - Fine Strand is engineered for compact coil winding applications where flexibility, conductivity, and thermal stability are essential. The fine-stranded structure, made of tinned copper alloy, offers enhanced winding uniformity and superior solderability compared to bare magnet wire, making it ideal for custom transformers, inductors, and chokes.
Its tin-plated surface ensures long-lasting corrosion resistance, while the flexible strands allow for easy manipulation during coil fabrication and repair work.
Fine-stranded construction ensures tight, consistent winding in confined spaces
Tin coating improves corrosion resistance and supports direct soldering without stripping
High-conductivity copper alloy core offers low resistance and stable current flow
Excellent thermal endurance for both low- and medium-frequency transformer applications
Available in various gauges and cut-to-length formats for automated or manual winding
Transformer winding in power supplies, audio amps, and communication circuits
Inductors and chokes in DC-DC converters or EMI filters
Magnetic coils in industrial automation and instrumentation
Repair or rewinding of vintage electronics and motors
DIY and lab-scale magnetic component prototyping
Material: High-Conductivity Tinned Copper Alloy
Surface Finish: Bright, Smooth, Tin-Plated
Diameter Range: 0.05mm-0.8mm (fine strand sizes available)
Compliance: RoHS / ISO9001 / REACH certified
Packaging: Coil bobbins, fine spools, or custom lengths for winding machines
| 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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