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HSChapter 85
U.S. imports of mounted piezoelectric crystals (HS 854160) totaled $19.2M in July 2026, traded with 44 countries.
Importers of Mounted Piezoelectric Crystals paid $2.1M in duties in July 2026 — an effective duty rate of 14% on $14.6M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataFrequency-control precision drives the US tariff structure for mounted piezoelectric crystals, which are subdivided by oscillation frequency — from 32.768 kHz timing crystals used in real-time clock circuits all the way to quartz units exceeding 20 MHz used in RF and communications equipment. Japan is the dominant supplier, with China and Taiwan also significant sources; the concentration of quartz crystal processing in Japan reflects decades of investment in precision frequency-control manufacturing. Non-quartz piezoelectric crystals (8541600080) — including those based on lithium niobate or other materials — are classified separately and may serve specialized acoustic, sensor, or ultrasonic applications. Importers should confirm the operating frequency of quartz units at entry, as misclassification across the frequency-banded lines can affect duty liability.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.7K shipments/mo
The frequency-band subdivisions reflect distinct end-use markets and, historically, different duty rates tied to trade-remedy or negotiating considerations. Low-frequency units (e.g., 32.768 kHz) are primarily used in watch and RTC circuits, mid-range units (1–20 MHz) serve microcontroller and communications timing, and high-frequency units (above 20 MHz) are used in RF and precision instrumentation. Correct classification requires the manufacturer's specified nominal frequency, not a measured approximation.
CBP expects the nominal operating frequency stated on the manufacturer's datasheet or marking to determine the applicable 10-digit HTS line. Commercial invoices and packing lists should specify frequency in kHz or MHz for each line item. Where a shipment contains crystals spanning multiple frequency bands, separate line entries are required. A binding ruling from CBP can provide certainty for recurring, high-volume shipments.
Subheading 10 of 12 in heading 8541
Subheading 854160 · $19.2M of $1.4B
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8541600060 | Mounted Piezoelectric Crystals, Quartz, Gt 20 Mhz | $7.1M | 10.34% | 74.38% | $731K |
| 8541600080 | Mounted Piezoelectric Crystals, Except Quartz | $6.6M | 11.88% | 82.66% | $783K |
| 8541600010 | Mounted Piezoelectric Crystals, Quartz,32.768 Khz | $2.6M | 7.02% | 62.23% | $184K |
| 8541600050 | Mounted Piezoelectric Crystals, Quartz,5-20 Mhz | $2.4M | 13.91% | 84.33% | $331K |
| 8541600020 | Mounted Piezoelectric Crystals, Quartz,Lt 1 Mhz | $331K | 8.49% | 51.64% | $28K |
| 8541600030 | Mounted Piezoelectric Crystals, Quartz, 1 to 5 Mhz | $177K | 8.88% | 69.21% | $16K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$19.2MYoY · Pro
Exports
$20.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
7.1% enters free of duty; the effective duty rate is 10.82%.