8540.91.50.00Thermionic, cold cathode or photocathode tubes
Also written 8540915000 and 8540.91.5000
HTS Code 8540.91.50.00 covers any article best defined as Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such ArticlesElectrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articlesThermionic, cold cathode or photocathode tubes (for example, vacuum or vapor or gas filled tubes, mercury arc rectifying tubes, cathode-ray tubes, television camera tubes); parts thereof:Parts:Of cathode-ray tubes:Other in the Harmonized Tariff Schedule.
As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from China pay 42.9% in duties: the 5.4% base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
From China, the total duty on 8540.91.50.00 last changed on Jul 24, 2026, from 40.4% to 42.9%. It has changed 2 times since Nov 17, 2025.
Estimated Duty on 8540.91.50.00
$10,000.00 by ocean, entered Nov 9, 2026
- Total duty
- 42.9%
- $4,290.00 on this shipment
- Fees
- 0.47%
- MPF + HMF · $47.14
- Duty + fees
- 43.37%
- Payable to CBP
- Landed cost
- $14,337.14
- On $10,000.00 customs value
- Base duty5.4%
- Section 301 – China25%
- Section 301 – Forced Labor12.5%
- Customs fees0.47%
5 exemptions could lower this
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Base Duty Rates for 8540.91.50.00
From the Harmonized Tariff Schedule
- General Rate of Duty
- 5.4%
- Special Rate of Duty
- Free
- A+AUBBHCLCODEILJOKRMAOMPPAPESSG
- Column 2 (Non-NTR)
- 35%
- Units of Quantity
- kg
- China42.9%
- Mexico15.4%
- Canada15.4%
- Vietnam17.9%
- Germany10%
Tariff updates
Recent US tariff actions that name 8540.91.50.00 or its heading.
- Dec 18, 2025 · PublishedUS cuts reciprocal tariff on Swiss and Liechtenstein goods to 15% all-in, exempts certain products
Top Origins: Countries the US Imports HTS 8540.91.50.00 From
In 2025 the US imported $7M of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00), up 240% on 2024, mostly from Austria (82%), Germany (9%) and Czech Republic (4%). Each country's total duty today is shown beside its imports.
| Country of origin | US imports, 2025 | Share | vs 2024 | Total duty today |
|---|---|---|---|---|
| Austria | $6M | 82% | 431% | 10% |
| Germany | $596K | 9% | 19% | 10% |
| Czech Republic | $279K | 4% | 47% | 10% |
| Japan | $208K | 3% | 86% | 12.5% |
| Denmark | $95K | 1% | 5% | 10% |
| India | $7K | 0% | 42% | 15.4% |
| Taiwan | $7K | 0% | New | 10% |
| Thailand | $3K | 0% | New | 17.9% |
| Liechtenstein | $3K | 0% | New | 5.4% |
| France | $3K | 0% | 86% | 10% |
Source: U.S. Census Bureau, general imports. Duty on a $10,000 ocean shipment entered today, before customs fees. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
US Import Duty on HTS 8540.91.50.00 by Country of Origin
As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from China pay 42.9% in duties: the 5.4% base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%). Of the 20 largest sources of US imports, the lowest total is 10%, from Germany, Taiwan and 3 more.
| Country of origin | Base rate | Additional tariffs | Total duty |
|---|---|---|---|
| China | 5.4% |
| 42.9% |
| Mexico | 5.4% |
| 15.4%0% with USMCA |
| Canada | 5.4% |
| 15.4%0% with USMCA |
| Vietnam | 5.4% |
| 17.9% |
| Germany | 5.4% |
| 10% |
| Japan | 5.4% |
| 12.5% |
| South Korea | 5.4% |
| 12.5% |
| Taiwan | 5.4% |
| 10% |
| India | 5.4% |
| 15.4% |
| Ireland | 5.4% |
| 10% |
| Italy | 5.4% |
| 10% |
| Switzerland | 5.4% |
| 12.5% |
| Thailand | 5.4% |
| 17.9% |
| Malaysia | 5.4% |
| 15.4% |
| United Kingdom | 5.4% |
| 15.4% |
| France | 5.4% |
| 10% |
| Indonesia | 5.4% |
| 15.4% |
| Brazil | 5.4% |
| 42.9% |
| Bangladesh | 5.4% |
| 15.4% |
| Cambodia | 5.4% |
| 15.4% |
Duty from each country, in words
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from China pay 42.9% in duties: the 5.4% base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Mexico pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Canada pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Vietnam pay 17.9% in duties: the 5.4% base rate plus Section 301 – Forced Labor (12.5%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Germany pay 10% in duties: the 5.4% base rate plus Section 301 – Forced Labor (4.6%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Japan pay 12.5% in duties: the 5.4% base rate plus Section 301 – Forced Labor (7.1%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from South Korea pay 12.5% in duties: the 5.4% base rate plus Section 301 – Forced Labor (7.1%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Taiwan pay 10% in duties: the 5.4% base rate plus Section 301 – Forced Labor (4.6%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from India pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Ireland pay 10% in duties: the 5.4% base rate plus Section 301 – Forced Labor (4.6%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Italy pay 10% in duties: the 5.4% base rate plus Section 301 – Forced Labor (4.6%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Switzerland pay 12.5% in duties: the 5.4% base rate plus Section 301 – Forced Labor (7.1%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Thailand pay 17.9% in duties: the 5.4% base rate plus Section 301 – Forced Labor (12.5%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Malaysia pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from United Kingdom pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from France pay 10% in duties: the 5.4% base rate plus Section 301 – Forced Labor (4.6%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Indonesia pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Brazil pay 42.9% in duties: the 5.4% base rate plus Section 301 – Brazil (25%) and Section 301 – Forced Labor (12.5%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Bangladesh pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%).
- As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Cambodia pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%).
Duties on goods entered Nov 9, 2026 at the general rate (Column 2 where it applies), with tariff data verified through 2026 HTS Revision 20. Totals are before customs fees (MPF, HMF) and any antidumping or countervailing duties (AD/CVD); with a free account, the calculator checks the AD/CVD cases that may cover your import. Some tariffs and exemptions depend on details such as metal content or end use, which the calculator asks about. See US tariffs for every country.
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Its rate today, if a new 10% tariff were added
Relevant HTS Notes
Official USITC notes that may affect classification under HTS 8540.91.50.00.
Search CROSS Rulings for HTS 8540.91.50.00
See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 8540.91.50.
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What does HTS code 8540.91.50.00 cover?
HTS code 8540.91.50.00 covers thermionic, cold cathode or photocathode tubes (Other), classified under Chapter 85 (Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles) in the US Harmonized Tariff Schedule. The general duty rate is 5.4%.
What is the duty rate for HTS 8540.91.50.00?
The general (Column 1) rate of duty for HTS 8540.91.50.00 is 5.4%. Goods that qualify for a trade program can enter at the special rate: Free (A+,AU,B,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG). The Column 2 rate, for countries without normal trade relations, is 35%. Additional Chapter 99 tariffs, such as Section 301 and Section 232, can apply on top depending on the country of origin.
What is the US tariff on thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from China?
As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from China pay 42.9% in duties: the 5.4% base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
What is the US tariff on thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Vietnam?
As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Vietnam pay 17.9% in duties: the 5.4% base rate plus Section 301 – Forced Labor (12.5%).
What is the US tariff on thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Mexico?
As of Nov 9, 2026, US imports of thermionic, cold cathode or photocathode tubes (HTS 8540.91.50.00) from Mexico pay 15.4% in duties: the 5.4% base rate plus Section 301 – Forced Labor (10%). Goods that qualify for USMCA pay 0%.
Where does the US import HTS 8540.91.50.00 from?
In 2025 the US imported $7M of thermionic, cold cathode or photocathode tubes under HTS 8540.91.50.00, mostly from Austria (82%), Germany (9%) and Czech Republic (4%), according to U.S. Census Bureau import data.
Which country has the lowest US duty on HTS 8540.91.50.00?
Of the 20 largest sources of US imports, the lowest total duty on HTS 8540.91.50.00 is 10%, from Germany, Taiwan and 3 more, as of the tariffs in effect on 2026-11-09.
Primary Sources
The official documents behind the rates and tariffs on this page. Duties are worked out from them as of Revision 20 (2026); check the legal text before you file.
- USITCHarmonized Tariff Schedule of the United States: 8540.91.50.00, Revision 20 (2026)
- USITCHTS Chapter 85, with its notes (PDF)
- USITCHTS Section 16 notes, printed with Chapter 84 (PDF)
- Federal RegisterSection 301 – Forced Labor (9903.05.31 and 16 more): USTR, Notice of Actions in Section 301 Investigations (forced labor), 91 FR 47318
- Federal RegisterSection 301 – Brazil (9903.05.01): USTR notice, Notice of Action: Section 301 Investigation of Brazil's Acts, Policies, and Practices, 91 FR 45516 (FR Doc. 2026-14542)
- CBPCROSS classification rulings for 8540.91.50.00
- U.S. Census BureauU.S. general imports by HTS code and country