Pot Core Ferrite for Audio Amplifiers
Pot-shaped ferrite cores for output transformers in Class D switching audio amplifiers and rectifiers. HTS 8504.90.96.30 applies to these high-permeability ferrites handling audio frequency power conversion. Provides shielding against magnetic interference.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of complete audio amplifier
Transformer assemblies integral to sound recording/reproduction equipment classify under 8518.
If laminated steel cores for audio use
Traditional audio transformers use steel laminations, separate from ferrites.
If for semiconductor manufacturing equipment
Ferrites in wafer fab power supplies may classify under electrical machinery parts.
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Import Tips & Compliance
• Include frequency response data showing suitability for static conversion applications
• Label with exact dimensions to match statistical size breakouts if applicable
• Monitor EU REACH compliance for ferrite materials containing rare earth additives
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