2UDTC-F 0.2mmx1300 Silk Covered Litz Wire For Transformer
This silk covered litz wire is a unique and robust solution designed for high-performance applications. It's special due to its larger size; it's meticulously twisted from 1300 strands of 0.2 mm enameled copper wire, wrapped with two layers of nylon yarn. This structure enhances conductivity and flexibility while preventing the wire from loosening. The standard maximum outer diameter of this litz wire is 11.09 mm, with an actual measurement range of 9.78 mm to 10.25 mm. It boasts a high electrical strength of 2800 volts, allowing you to consider whether it meets the design requirements of your product.
·IEC 60317-23
·NEMA MW 77-C
·customized according to customer requirements.
The minimum order quantity for this silk covered litz wire is 30 kg. Please feel free to contact us if you require a sample for evaluation. Consider using our silk covered litz wire in your next project and experience the superior quality and performance it brings to your designs.
| Item No. | Our diameter of single wire
mm |
Conductor diameter
mm |
Overall dimension mm | Resistance
Ω /m |
Breakdown voltage
V |
| Tech
requirement |
0.216-0.231 | 0.2±0.003 | Max.11.09 | ≤0.000444 | ≥1600 |
| Sample 1 | 0.220-0.223 | 0.198-0.20 | 9.78-10.25 | 0.0000421 | 2800 |
Silk covered Litz wire is a versatile and high-performance conductor used in various fields, especially in electronics and electrical engineering. Here are some of the main applications of silk-covered Litz wire:
1. Transformers: One of the main applications of silk covered Litz wire is in transformer windings. It can withstand voltages up to 2800 volts and possesses excellent flexibility, making it an ideal material for manufacturing highly efficient and reliable transformer coils. The Litz wire structure minimizes eddy current losses, thereby improving the overall efficiency of the transformer.
2. Inductors: Silk covered Litz wire is also commonly used in inductors, helping to reduce losses in high-frequency applications and thus improving inductor performance. This wire structure allows for better magnetic coupling and lower resistance
3. Audio Equipment: In high-fidelity audio systems, silk covered Litz wire is commonly used in speaker voice coils and other critical components. Its excellent conductivity and minimal skin effect contribute to clearer sound reproduction and higher audio quality.
4. High-Frequency Applications: Due to its structure, silk covered Litz wire is particularly effective in high-frequency applications, such as radio frequency circuits, where minimizing losses is critical for performance.
5. Custom Applications: In addition to these standard uses, silk covered Litz wire can also be customized for specific applications, making it suitable for a wide range of industries, including telecommunications, aerospace, and automotive.
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.














