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Help CenterEnamelled Wire for High-Frequency Inductors in Power Supplies
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As an established manufacturer since 1970, Shandong Huilong Electrical Material Co., Ltd. specializes in premium enamelled wires engineered for demanding power supply applications. Our high-frequency inductor wires deliver exceptional electrical performance with minimized energy loss, crucial for modern switching power supplies. With over 50 years of manufacturing expertise and a 10,000-30,000 sqm facility, we ensure consistent quality across every production batch.
The unique formulation provides:
- Ultra-thin yet durable insulation layers
- Superior thermal stability at elevated temperatures
- Excellent dielectric strength for high-voltage applications
- Reduced skin effect at high frequencies
Technical Specifications:
| Parameter | Standard Value | Performance Range |
|---|---|---|
| Dielectric Strength | ≥ 60 kV/mm | 60-100 kV/mm |
| Elongation at Break | ≥ 30% | 30-45% |
| Thermal Shock Resistance | No cracking at 200°C | 200-250°C |
| Surface Roughness | ≤ 0.8 μm | 0.5-0.8 μm |
Key operational benefits for power supply manufacturers include:
- Reduced core losses by up to 25% compared to standard wires
- Enhanced quality consistency through automated optical inspection systems
- Compatibility with automated winding equipment for high-volume production
- Extended component lifespan under continuous thermal cycling conditions
Frequently Asked Questions
Q: What temperature classes are available?
A: We offer thermal classes from 180 to 220, suitable for various power supply operating environments.
Q: Can you provide custom wire diameters?
A: Yes, our manufacturing capabilities include diameters from 0.02mm to 3.0mm with tight tolerance control.
Q: What insulation materials do you recommend for 1MHz+ applications?
A: Polyurethane-based insulations provide optimal performance for ultra-high frequency requirements.
Q: Do you offer silver-plated alternatives?
A: Silver-plated conductors are available upon request for enhanced conductivity.
Q: What packaging options do you provide?
A: Standard packaging includes 5kg spools, with custom coil configurations available.
Q: How do you ensure batch-to-batch consistency?
A: Our ISO-certified quality system includes continuous online monitoring and statistical process control.
Backed by ISO9001, ISO14000, and OHSAS18001 certifications, our products meet rigorous international standards while serving global markets across six continents. With an annual export value exceeding $100 million and shipments from Qingdao, Shanghai, Ningbo, and Tianjin ports, we guarantee reliable supply chain support. Our 51-100 member technical team provides responsive customization services - contact us today to optimize your power supply designs with performance-proven winding solutions.
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