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§ HTS 8541.49.80.00 · US import duty

Optical coupled isolators

Chapter
85
MFN base rate
Free
Active overlays
1
Scope
Active: other

AD/CVD not evaluated. CBP determines binding classification at entry. Methodology →

Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), whether or not assembled with other light-emitting diodes (LED); mounted piezo-electric crystals; parts thereof: · Thyristors, diacs and triacs, other than photosensitive devices · Other: · Transistors · Optical coupled isolators
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HTS CODE
8541.49.80.00
General (MFN)Free
Other (Column 2)35%
§99 overlays1

Base tariff columnsBase tariff columns

Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.

General (MFN)Free
Special—
Other (Column 2)35%
UnitsNo.

Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD and product-specific exclusions are not evaluated by default.

Chapter 99 overlaysChapter 99 overlays

  • 9903.91.05 other +50% active
    Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
    Effective Jan 1, 2025Applies to China

§ DUTY BREAKDOWNDuty breakdown

Duty ledger below is calculated on a $10,000 customs value. Fees, AD/CVD, and exclusions are not included here.

China (CN)
Total 50% · $5,000.00
Duty breakdown Rate Amount Source
Base dutyBase 0% $0.00 HTS General rate
Chapter 99 otherChapter 99 50% $5,000.00 9903.91.052025-01-01
Status: exact Methodology: tariff-ledger-v1 Data: d4c9e6f79bac8e84

§ ORIGIN COMPARISONAlternative origin comparison

This compares tariff-only outcomes for the same HTS across origin countries. Freight, AD/CVD, exclusions, broker fees, and relocation cost are not included.

China → Vietnam
$5,000.00 tariff-only saving
Origin Total rate Duty @ $10,000 Delta vs baseline
China (CN) 50% $5,000.00 —
Vietnam (VN) 0% $0.00 -$5,000.00
Mexico (MX) 0% $0.00 -$5,000.00
India (IN) 0% $0.00 -$5,000.00
South Korea (KR) 0% $0.00 -$5,000.00

Sample duty by originSample duty by origin

Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.

Origin Base rate Chapter 99 Total rate Duty (USD)
China (CN) 0% 50% 50% $5,000.00
Vietnam (VN) 0% 0% 0% $0.00
Mexico (MX) 0% 0% 0% $0.00
India (IN) 0% 0% 0% $0.00
South Korea (KR) 0% 0% 0% $0.00

§ RELATED ENTRIESRelated HS codes in the same chapter

Adjacent lines under the same HTS chapter. Pick the most specific match for your product.

§ RECENT CHANGESRecent US tariff policy notices

The 3 most recent Federal Register tariff notices in the Duty database. See the Changes timeline for the full list.

See all Federal Register actions →