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Help CenterDouble Coated Enamelled Wire for High Frequency Coils
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As a specialized manufacturer since 1970, Shandong Huilong Electrical Material leverages 50+ years of expertise to produce premium double coated enamelled wire specifically engineered for high-frequency applications. Our 10,000-30,000 sqm facility in Dezhou combines advanced manufacturing with ISO-certified quality systems to deliver wires that significantly enhance coil efficiency and reliability in demanding electronic environments.
Core Technical Advantages:
- Dual-layer insulation provides superior dielectric strength and pinhole resistance
- Optimized for minimal skin effect losses at frequencies above 1MHz
- Thermal stability maintained across -40°C to +240°C operating range
- Excellent chemical resistance against solvents, oils, and moisture
Performance Specifications:
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Dielectric Strength | ≥8kV/mm | Up to 12kV/mm |
| Adhesion | Class 1 (IEC 60317) | Class 0 available |
| Elongation | 15-35% | Tailored formulations |
The concentric dual coating architecture reduces corona discharge by 40% compared to single-layer alternatives, significantly extending component lifespan in switch-mode power supplies and RF devices. Our proprietary enamel formulation achieves Q-factor improvements exceeding 15% at 2-5MHz frequencies, enabling more compact coil designs without sacrificing performance.
Client-Specific Benefits:
- Reduced eddy current losses lower operating temperatures by 15-25%
- Consistent dimensional tolerance (±0.002mm) ensures winding precision
- Flexible customization for aerospace, medical, and automotive applications
Backed by annual exports exceeding $100M to 15+ global markets including North America, Europe, and Southeast Asia, our manufacturing processes adhere to ISO9001, ISO14000, and OHSAS18001 standards. With dedicated R&D capabilities and multiple shipment ports (Qingdao/Shanghai/Ningbo), we guarantee batch-to-batch consistency for mission-critical applications. Contact our engineering team to discuss how our double-coated solutions can optimize your high-frequency coil performance while reducing total system costs.
Frequently Asked Questions:
-
Q: How does double coating improve high-frequency performance?
A: The dual-layer structure creates a graded dielectric interface that reduces proximity effect losses and increases breakdown voltage at RF frequencies. -
Q: What temperature classes are available?
A: Standard products meet 200°C thermal class (NEMA MW1000), with 220°C and 240°C options upon request. -
Q: Can I get custom wire diameters?
A: Yes, we support diameters from 0.05mm to 5.0mm with ±0.002mm tolerance. -
Q: What certifications apply to this product?
A: Manufactured under ISO9001, ISO14000, and OHSAS18001 certified systems with material traceability. -
Q: Do you provide technical support for coil design?
A: Our engineering team offers application-specific guidance on winding parameters and thermal management. -
Q: What packaging options exist?
A: Standard spool packaging with customizable reel sizes, moisture-barrier bags, and pallet configurations. -
Q: How are quality issues handled?
A: Our TL900-certified quality system includes full traceability and dedicated customer service resolution.
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