USTC 155 0.071mm*84 Natural Silk Served Copper Litz Wire
The single wire is a 0.071mm 155 degree enameled wire with 84 strands.
silk covered litz wire is a high quality wire with silk as the outer sheath for excellent insulation and durability. This wire is widely used in the manufacture of electronic products, making electronic products safer, more stable and durable.
0.071mm*84 silk covered litz wire | |||
Item | Technical requirement(mm) | Test result | |
Sample 1 | Sample 2 | ||
Outer diameter | 0.077-0.084 | 0.078 | 0.081 |
Conductor diameter(mm) | 0.071±0.003 | 0.068 | 0.07 |
Pitch(mm) | 29±5 | √ | √ |
Conductor Resistance(Ω/km at 20℃) | Max. 0.05940 | 0.0541 | 0.0540 |
Breakdow Voltage(v) | Min.950 | 3400 | 3000 |
Natural silk has many advantages over polyester and nylon.
First of all, silk has excellent insulating properties and thus has a higher degree of safety. Secondly, compared with polyester and nylon, real silk is softer, smoother, less prone to knotting, and has better wear resistance and tensile strength, which can make the wire more durable and easier to route. Silk covered litz wire is mainly used in the manufacture of electronic products, such as mobile phones, tablets, computers and so on. Due to the excellent insulating properties of silk, silk covered Litz wire can effectively protect electronic products and at the same time increase their service life.
Silk covered litz wire is made of multiple strands, which can not only improve the conductivity, but also reduce the electromagnetic interference of the wire line, improve the stability of signal transmission, and further improve the performance of electronic products.
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.