9030.90.68.00/Frequency Counter Timebase PCA/China

Frequency Counter Timebase PCA from China

OCXO-based printed circuit assembly providing stable 10 MHz reference for universal frequency counters measuring signal periods. Classified HTS 9030.90.68.00 as part for electrical quantity measuring instruments. Oven-controlled crystal ensures ppm accuracy.

Duty Rate — China → United States

37.5%

Rate breakdown

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]

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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Import Tips

• Include aging rate and temperature stability specs (e.g

• ±0.05 ppm/°C)

• Verify GPS disciplining option doesn't trigger navigation equipment classification

• Ensure oven control circuitry is integral to counter function