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.
- What is the minimum order quantity(MOQ)?
The MOQ is 20kg.
2. What is your lead time?
The lead time is 20kg.
3. What is your warranty policy?
Within 2 years, any quality-related issues will be covered by a one-time full replacement of defective products.
4. What is the procurement process?
Submit inquiry with requirements → Sample making → Sample approval → Quotation → Proforma Invoice (PI) → PI confirmation → Payment arrangement → Production → Shipment
5. What are your trade terms?
EXW, CPT, FOB, CIF, DDU, DDP are all acceptable.
6. What are your payment methods?
T/T, D/P, L/C, PayPal.
7. Which courier services do you use?
FedEx, DHL, TNT, UPS, with discounts up to 80%.
8. How are your products different from competitors'? What are your advantages?
We offer a full range of high-frequency magnet wire products, including litz wire, rectangular enameled copper wire, round enameled copper wire, triple-insulated wire, etc., to meet various requirements. We support small-batch customization, ensuring quality and delivery even during your R&D or startup phase.
9. Do you charge a mold fee? How much? Is it refundable? How?
A mold fee applies for special customized products, and the amount depends on the specific specifications. The mold fee is refundable after a certain order quantity is reached.
10. What testing equipment do you have?
Laser diameter gauge, high-voltage spark tester, elongation tester, spring-back tester, withstand voltage tester, solderability tester, R esistance Tester etc.
| 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.














