Ionization Smoke Detector Printed Circuit Board from Japan
Custom PCB designed exclusively for ionization smoke detectors, integrating amplification circuits for the ionization chamber signal and low-power processing. Falls under HTS 9022.90.70.00 as a dedicated part for apparatus using ionizing radiation in smoke detection. Essential for converting radiation-induced current changes into audible alarms.
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
• Include FCC Part 15 certification for EMI compliance in documentation
• Declare exact radioactive content if any to facilitate CBP radiation screening
• Use HTSUS advisory rulings for complex assemblies to minimize duty disputes