Magnet Wire
Magnet Wire (Enameled Wire) is the core material for electromagnetic devices such as motors, transformers, and inductor coils. It features high-purity oxygen-free copper conductors coated with multiple layers of high-temperature resistant enamel insulation, maintaining stable electrical insulation performance and mechanical strength across a wide temperature range of -65°C to +220°C.
The insulation system utilizes high-performance coatings including Polyesterimide, Polyamide-imide, or Polyimide, offering excellent heat resistance, chemical corrosion resistance, and abrasion resistance. The enamel film exhibits strong adhesion, resisting detachment during high-speed winding operations to ensure flawless insulation integrity after coil forming. The conductor surface is highly polished with stable resistivity, significantly reducing eddy current losses and improving electromagnetic conversion efficiency.
This magnet wire is suitable for various high-frequency transformers, power inductors, motor windings, relay coils, and precision electromagnetic components, widely applied in new energy vehicle drive motors, industrial frequency converters, aerospace electronic equipment, and premium household appliances.
Key Features:
Conductor: High-purity Oxygen-free Copper (OFC), low resistivity, excellent conductivity
Enamel Coating: Polyesterimide / Polyamide-imide / Polyimide options available
Thermal Class: 155°C (Class F) / 180°C (Class H) / 200°C (Class C) / 220°C (Class C+)
Insulation Thickness: Compliant with IEC 60317, GB/T 6109 international standards
Dielectric Strength: Enamel breakdown voltage ≥3000V (0.1mm specification)
Chemical Resistance: Resistant to oil, Freon, acids, and alkalis
Mechanical Properties: Excellent enamel flexibility, abrasion-resistant, no cracking during high-speed winding
Environmental Standards: RoHS and REACH compliant
Typical Applications:
New energy vehicle drive motors and generators
High-frequency transformers and switching power supply inductors
Industrial motor and inverter windings
Aerospace precision electromagnetic components
Relay and solenoid valve coils
Premium appliance compressor motors

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