Fiber Optic Switch DC-DC Converter PCA from China
Printed circuit assembly for DC-DC converters (8504.40) powering fiber optic telecommunication switches in data centers. Provides voltage regulation for high-speed optical transceivers. Classified in 8504.90.65.00 as telecom-specific converter parts.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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 compatibility with specific telecom switches (e.g
• Cisco models) for binding ruling requests
• Ensure ESD protection during shipping for sensitive PCAs
• Beware of undervaluation penalties—use transaction value based on OEM pricing