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HTS Code · Heading 8540 · Electrical Machinery and Equipment

8540

Thermionic, 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:

Estimated Total Duty

35% from China

Free MFN base + 25% 301 + 10% S122. Stacked per the centralized 2026 program snapshot.

Tariff Details
HS Code
8540
Description
Thermionic, 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:
General Duty Rate
Free
Unit of Quantity
Not specified
Section
Section 16
Last Updated
April 9, 2026
Tariff by Country of Origin
OriginMFN BaseStacked ProgramsEst. Total
ChinaFree
301 +25%S122 +10%
35%
Mexico (USMCA)FreeNone0%
Canada (USMCA)FreeNone0%
VietnamFree
S122 +10%
10%
Germany (EU)Free
S122 +10%
10%
IndiaFree
S122 +10%
10%
South KoreaFree
S122 +10%
10%
Totals are estimates. USMCA origins assume the good qualifies under rule-of-origin. Final landed cost depends on MPF, HMF, and any exclusions \u2014 run the full calculator.
All Additional Tariff Rates on This Code
Section 301 (China)
+25%
Section 122 Surcharge
+10%

Read the full guide

Electronics Import Tariffs & HS Codes — 2026

Section 301 lists 1–4 and reciprocal surcharges on the major electronics headings.

Frequently Asked Questions