Litz Copper Wire for High-Frequency Transformers
Multi-strand Litz copper wire with individual enamel insulation to reduce skin effect in high-frequency applications. Under HTS 8544.49.30 as specialized insulated copper conductor ≤1,000V. Used in switch-mode power supplies and RF inductors.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-wound into inductors or chokes
Wound wire assemblies become electrical inductors.
If individual strands are uninsulated
Bare Litz wire strands classified as copper products.
If designed for voltages 1,000-8,000V
Higher voltage designs shift voltage subheadings.
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Import Tips & Compliance
• Describe Litz construction (number of strands, individual enamel coating) in detail
• Provide frequency range documentation justifying Litz wire design
• Avoid classification as 'fabricated wire' if insulation is primary feature
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