High-Frequency Transformer Shield from Mexico
Mu-metal shield can for EMI suppression in high-frequency transformers used in switch-mode power supplies. As a specialized part, it falls under HTS 8504.90.96 for transformer protection.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify permeability and frequency range (kHz-MHz) to confirm EMI shielding function
• Magnetic alloy content may require origin certificates for alloy-specific duties
• Avoid generic 'metal cans' declaration; link explicitly to transformer use