Class 155 Silk-Covered Copper Wire USTC-155, Enameled Copper Litz Wire with Nylon, Polyester or Natural Silk Serving for High-Frequency Transformers and Inductors, IEC & NEMA Compliant
Class 155 Silk-Covered Copper Wire
Product Description
USTC-155 is a Class 155 silk-covered copper wire designed for electrical winding applications requiring reliable insulation, flexibility, and stable dielectric performance. The conductor can be supplied as a single copper wire or multi-strand Litz construction, with a textile serving layer applied over the insulated conductor.
The product combines the electrical conductivity of copper with the mechanical protection and dimensional stability provided by the silk or synthetic-fiber serving. Construction parameters can be customized according to winding requirements, conductor size, strand count, and insulation system.
Applications
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High-frequency transformers
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Electrical coils and inductors
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Power electronics
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Motors and generators
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Magnetic components
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Wireless power equipment
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Industrial winding systems
Key Features
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Class 155 enamel insulation
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Flexible silk or textile serving
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Excellent electrical insulation
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Good mechanical protection
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Suitable for automated and manual winding
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Customized strand construction available
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Stable dimensional control
Technical Data
| Parameter |
Specification |
| Conductor |
Enameled Copper |
| Product Type |
Silk-Covered Copper Wire / Litz Wire |
| Thermal Class |
Class 155 |
| Serving Material |
Nylon / Polyester / Natural Silk |
| Single Wire Diameter |
0.03–0.40 mm |
| Number of Strands |
2–5,000 |
| Serving Layers |
Single or Double |
| Overall Diameter |
Approx. 0.08–3.00 mm |
| Conductor Shape |
Round / Rectangular / Customized |
| Lay Length |
Customized |
| Insulation |
Enamel + Textile Serving |
| Color |
Natural / Customized |
| Bonding Layer |
Optional |
Standards
Manufactured according to applicable IEC, JIS, GB/T, NEMA or customer-specific requirements, depending on construction and application.
FAQ
Q1. What does Class 155 mean?
Class 155 refers to the thermal class of the enamel insulation system.
Q2. Can the serving material be customized?
Yes. Nylon, polyester, natural silk and other suitable serving materials can be specified according to application requirements.
Q3. Can USTC-155 be supplied as Litz wire?
Yes. Multi-strand Litz constructions can be produced with customized strand diameter, strand count and lay length.
SEO
SEO Product Title: Class 155 Silk-Covered Copper Wire | USTC-155
Short Description:
Class 155 silk-covered copper wire with flexible textile serving for transformers, coils, inductors and electrical winding applications.
Meta Description:
USTC-155 Class 155 silk-covered copper wire for electrical winding, transformers, inductors and high-frequency magnetic components. Customized constructions available.
Image Title: USTC-155 Class 155 Silk-Covered Copper Wire
Image Alt Text: Class 155 silk-covered copper wire USTC-155
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