Tin-Plated Copper Wire
Tin-Plated Copper Wire is a premium conducting material widely used in various electrical and electronic applications. With excellent conductivity and corrosion resistance, it ensures reliable performance in demanding environments.
Product Specifications
- Material: High purity copper core with tin plating
- Diameter Range: 0.05mm - 5.0mm
- Tin Coating Thickness: 2-15 microns
- Temperature Range: -40°C to +105°C
- Tensile Strength: 200-400 N/mm²
- Conductivity: ≥98% IACS
| Wire Gauge (AWG) | Diameter (mm) | Resistance (Ω/km) | Current Capacity (A) |
|---|---|---|---|
| 10 | 2.588 | 3.277 | 55 |
| 16 | 1.291 | 13.17 | 22 |
| 20 | 0.812 | 33.31 | 11 |
| 24 | 0.511 | 84.22 | 3.5 |
Frequently Asked Questions
Q: What are the main advantages of Tin-Plated Copper Wire compared to bare copper wire?
A: Tin-Plated Copper Wire offers several significant advantages over bare copper wire. The tin plating provides superior corrosion resistance, especially in humid or chemically aggressive environments. It improves solderability, making connections easier and more reliable. The tin layer also reduces oxidation at high temperatures and prevents the formation of non-conductive copper oxide. Additionally, Tin-Plated Copper Wire maintains better conductivity over time compared to bare copper in applications where oxidation would normally degrade performance.
Q: How does the tin plating thickness affect the performance of Tin-Plated Copper Wire?
A: The tin plating thickness plays a crucial role in determining the wire's performance characteristics. Thinner platings (2-5 microns) are typically used for general-purpose applications where basic corrosion resistance and solderability are required. Medium thickness (5-10 microns) offers enhanced durability for applications with moderate mechanical stress. Heavy tin plating (10-15 microns) provides maximum protection for harsh environments or applications requiring repeated flexing. It's important to note that while thicker plating increases corrosion resistance, it slightly reduces overall conductivity compared to thinner platings.
Q: Can Tin-Plated Copper Wire be used for high-frequency applications?
A: Yes, Tin-Plated Copper Wire is suitable for many high-frequency applications, though with some considerations. At lower frequencies, the current flows evenly through the entire conductor. As frequency increases, the skin effect causes current to concentrate near the surface. Since tin has slightly lower conductivity than copper, high-frequency performance depends on plating thickness. For RF applications, thinner tin platings (2-3 microns) are preferred to minimize the skin effect impact. Many RF connectors and coaxial cables use Tin-Plated Copper Wire because it combines good high-frequency characteristics with excellent corrosion resistance and solderability.
Applications
Tin-Plated Copper Wire finds extensive use in numerous industries:
- Electronics: Circuit boards, connectors, and components
- Automotive: Wiring harnesses and electrical systems
- Telecommunications: Cable shielding and conductors
- Power Distribution: Industrial cables and busbars
- Aerospace: Critical wiring systems
Quality Standards
Our Tin-Plated Copper Wire meets or exceeds the following international standards:
- ASTM B33 - Standard Specification for Tin-Coated Soft or Annealed Copper Wire
- IEC 60228 - Conductors of insulated cables
- MIL-W-5086 - Military specification for solderable wire
- RoHS & REACH compliant