| Customization: | Available |
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| Type: | Bare |
| Conductor Type: | Stranded |
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19×0.05mm Gold-Plated Copper Alloy Stranded Wire for Miniature Coils is precision-engineered for ultra-compact coil winding applications that demand superior flexibility, stable conductivity, and outstanding corrosion resistance. Composed of nineteen fine 0.05mm gold-plated copper alloy strands, this wire combines high mechanical pliability with excellent electrical performance, making it ideal for precision micro-coil and fine electronic assembly tasks.
Its ultra-smooth surface and tight construction tolerance ensure consistent winding quality and long-term device reliability.
19×0.05mm ultra-fine stranded structure for superior flexibility and compact winding
Gold plating provides low contact resistance and enhanced corrosion protection
Smooth, bright finish ensures excellent solderability and bonding performance
High tensile strength and durability support dynamic micro-winding applications
Customizable strand configuration and plating thickness for specific coil designs
Miniature electromagnetic coils for sensors and actuators
Fine-wound inductors for telecommunications and wearable electronics
Micro-coil windings in aerospace and medical implantable devices
Precision components in IoT modules, smart wearables, and robotics
Specialized shielding, grounding, and signal wiring for compact assemblies
Material: 19×0.05mm Gold-Plated High-Conductivity Copper Alloy
Surface Finish: Bright, Smooth, Free of Surface Imperfections
Diameter Range: Fine gauge customization available based on application
Compliance: RoHS / ISO9001 / REACH certified production
Packaging: Micro reels, fine coils, or customized lengths for coil winding integration
| Parameter | Single Strand | Stranded Wire |
| Core Material | 99.99% Oxygen-Free Copper (Cu-OF) | 7/19/37 strands of Cu-OF twisted |
| Plating Thickness | 1-10 μm (24K gold, ASTM B488 compliant) | 2-5 μm per strand (uniform coating) |
| Diameter Range | 0.05 mm - 2.0 mm (AWG 40 - 12) | 0.5 mm - 5.0 mm (total cross-section) |
| Resistance | ≤1.724 μΩ·cm @ 20°C (bare Cu) | ≤1.75 μΩ·cm (due to stranding loss) |
| Flexibility | Moderate (ideal for static applications) | High (5000+ bend cycles, 10D mandrel test) |
| Current Rating | 0.5-20 A (depends on diameter) | 10-100 A (enhanced heat dissipation) |
| Temperature Range | -65°C to +250°C (non-insulated) | -65°C to +180°C (PVC/PTFE insulated) |
| Tensile Strength | 200-400 MPa (annealed Cu) | 150-300 MPa (stranded flexibility) |
| Corrosion Resistance | Passes 96hrs salt spray test (ASTM B117) | Passes 144hrs salt spray test (enhanced) |
| Certifications | ROHS, REACH, ISO 9001 | ROHS, REACH, UL 1423 (stranded wire) |
| Typical Applications | PCB bonding, medical probes, RF shielding | Robotics, EV battery cables, audio systems |
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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