DB9 Serial Port Connector from China
The DB9 connector is a 9-pin D-subminiature printed circuit connector used for RS-232 serial communications in legacy systems and industrial automation. It is classified in HTS 8536.69.40 for printed circuit connectors operating at low voltages. Essential for PLC interfaces, modems, and embedded systems.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Document as 'printed circuit connector' not 'serial cable' to prevent reclassification
• Provide shell material (steel/plastic) and contact plating details for accurate valuation
• Check for right-angle vs straight variants in inventory declarations