Impregnated Paper Base PCB for Smoke Detectors from Japan
Cost-optimized printed circuit for ionization chamber smoke alarms, featuring paper-impregnated plastic base per HTS 8534.00.00.50 specs. Handles sensor signal processing and alarm circuitry in residential safety devices. Meets stringent low-cost material requirements for mass-market detectors.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• UL certification paperwork must reference paper base construction to match tariff description
• Declare exact layer count and hole plating specs; unplated paper boards risk different treatment
• Avoid combining with metal dome contacts in same shipment to prevent set classification issues