2USTC-F 1080X0.03mm High Frequency Silk Covered Litz Wire For Transformer Winding
Our silk covered litz wires are particularly advantageous in industrial fields where high-frequency applications are common. It is widely used in transformers, inductors and high-performance audio equipment where accuracy and efficiency are critical. This silk covered litz wire has unique properties that reduce energy loss and improve thermal management, making it ideal for manufacturers looking to improve product performance.
In the rapidly developing field of new energy vehicles, our custom nylon served litz wires play a vital role in the development of efficient power electronics and energy storage systems.
As the demand for electric vehicles continues to grow, the need for high-performance cabling solutions is becoming increasingly important. The silk covered litz wires are designed to meet the stringent requirements of electric motors, battery management systems and charging infrastructure, providing the necessary electrical conductivity and thermal properties to support the next generation of sustainable transportation.
We understand that every project is unique, so we offer small batch customization to meet your specific needs. With minimum order quantities of only 10kg for standard silk covered litz wire and 3kg for ultra-fine litz wire, we are committed to providing customized solutions that meet your requirements. Our team of experts is ready to assist you in selecting the right specifications for your application, ensuring you receive a product that not only meets your expectations, but exceeds them.
Outgoing test of stranded wire | Spec: 0.03x1080 | Model: 2USTC-F |
Item | Standard | Test result |
Outer conductor diameter(mm) | 0.033-0.044 | 0.036-0.0358 |
Conductor diameter(mm) | 0.03±0.002 | 0.028-0.029 |
Overall diameter (mm) | Max.1.74 | 1.35-1.45 |
Pitch(mm) | 29±5 | OK |
Max resistance (Ω/m at20℃) | Max. 0.02618 | 0.02396 |
Breakdown voltage Mini (V) | 400 | 2300 |
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.



