2USTC-F 0.1mmx200 Strands Red Color Polyester Covered Copper Litz Wire
Silk covered Litz wire is designed to minimize eddy current losses, which are critical in transformer winding. Silk covered Litz wire is an indispensable component for engineers and manufacturers seeking to improve transformer performance and reliability. The combination of Silk covered Litz wire and Litz wire technology not only improves electrical performance, but also helps extend the life of the winding, making it a smart investment for any project.
What makes our silk covered litz wire unique is its customization options. We understand that different projects may require specific color schemes or aesthetic preferences. That’s why we offer a wide range of colored polyester yarns, allowing you to customize the wire to meet your unique needs. Whether you need a specific color to match your design or create a unique look for branding purposes, we have a high-performance wire that’s designed just for you.
Outgoing test of silk covered litz wire | Spec: 0.1x200 | Model: 2USTC-F |
Item | Standard | Test result |
Outer conductor diameter(mm) | 0.107-0.125 | 0.110-0.114 |
Conductor diameter(mm) | 0.10±0.003 | 0.0980-0.10 |
Overall diameter (mm) | Max.1.98 | 1.75-1.85 |
Pitch(mm) | 29±5 | √ |
Max resistance (Ω/m at20℃) | Max. 0.01191 | 0.01088 |
Breakdown voltage Mini (V) | 1100 | 3000 |
5G base station power supply

EV Charging Stations

Industrial Motor

Maglev Trains

Medical Electronics

Wind Turbines






Founded in 2002, Ruiyuan has been in the manufacture of enamelled copper wire for 20 years.We combine the best manufacturing techniques and enamel materials to create a high-quality, best-in-class enameled wire. The enameled copper wire lies at the heart of technology we use every day – appliances, generators, transformers, turbines, coils and much more. Nowadays, Ruiyuan has the global footprint to support our partners in marketplace.

Our Team
Ruiyuan attracts many outstanding technical and management talents, and our founders have built the best team in the industry with our long-term vision. We respects the values of each employee and provides them with a platform to make Ruiyuan a great place to grow a career.



