Dispersion Compensating Fiber DCF from China
High negative dispersion optical fiber used in DWDM systems to compensate chromatic dispersion of standard SMF, enabling long-haul voice, data, and video transmission at 10/40/100G rates. Typical -80 to -100 ps/nm/km dispersion at 1550nm. HTS 9001.10.0030 classification.
Duty Rate — China → United States
44.2%
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
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Import Tips
• Provide dispersion slope and PMD specs for system compatibility
• Declare figure-of-merit (dispersion/slope normalized to loss)
• Confirm splicing compatibility with G.652 SMF (9/125μm)