1USTC-F 0.05mm/44AWG/ 60 Strands Silk covered Litz Wire Polyester served
Silk covered litz wire is a special type of litz wire that has gained widespread attention in various industrial applications. This unique litz wire is designed to provide superior performance in high frequency environments, making it ideal for a variety of industrial needs. One of the main advantages of silk covered litz wire is its ability to minimize the skin effect, which is critical for applications involving high-frequency signals.
·IEC 60317-23
·NEMA MW 77-C
·customized according to customer requirements.
Silk covered litz wire is a valuable asset in industrial areas, motor and transformer applications, and wireless charging systems. Its ability to minimize skin effect and handle high-frequency currents with minimal power loss makes it an important component of high-performance electronic systems. With its customizable features and superior performance, silk covered litz wire will continue to make significant contributions to various industrial and technological advancements.
In the industrial sector, silk covered litz wire has proven to be a valuable asset due to its high frequency effect. The wire's design contains multiple individually insulated strands, which reduces the skin effect and ensures that current is evenly distributed throughout the wire. This property makes silk covered litz wire an excellent choice for applications requiring high-frequency signals, such as inductors, transformers and other electronic components used in industrial machinery and equipment. The wire's ability to handle high-frequency currents with minimal power loss makes it an important component in a variety of industrial environments where efficiency and reliability are critical.
For motors and transformers, silk covered litz wire offers unparalleled performance. The unique construction of this wire, typically composed of multiple strands of enameled wire, provides excellent electrical conductivity and minimizes skin effect, making it ideal for winding coils in motors and transformers. Using silk covered litz wire in these applications ensures even current distribution, reduces power losses and increases the overall efficiency of the motor or transformer. Additionally, the wire's ability to withstand high-frequency currents makes it a first choice for high-performance motors and transformers used in industrial and commercial environments.
Item |
Technical requests |
Test value 1 |
Test value 2 |
Conductor Diameter (mm) |
0.05±0.003 |
0.048 |
0.050 |
Single wire diameter (mm) |
0.060-0.086 |
0.063 |
0.065 |
O.D. (mm) |
Max. 0.69 |
0.57 |
0.60 |
Resistance Ω/m (20℃) |
Max. 0.1707 |
0.1503 |
0.1513 |
Breakdown Voltage V |
1300 |
3300 |
3200 |
Pitch mm |
27 ± 5 |
√ |
√ |
No. of strands |
60 |
√ |
√ |
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.



