HC-18U Quartz Crystal 455 kHz from China
HC-18U series quartz crystals at 455 kHz are used in IF filters for AM radios and low-frequency receivers. This mounted piezoelectric crystal fits HTS 8541.60.00.20 as its frequency is below 1 MHz and not the excluded 32.768 kHz, providing precise filtering in analog circuits.
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
• Include radio application specs showing IF filter use to support <1 MHz classification
• Separate from 32.768 kHz lots during customs declaration to maintain subheading accuracy
• Verify hermetic sealing prevents moisture damage declarations during import