Heading 8540: Thermionic, cold cathode or photocathode tubes (for example, vacuum or vapor or gas filled…
Every line of heading 8540 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
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
Chapter 85: Electrical machinery and equipment; sound and TV equipment. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 8540.11 | Color: | |
| 8540.11.10 | Non-high definition, non-projection, having a video display diagonal exceeding 35.56 cm | 15% |
| 8540.11.10.30 | Not exceeding 39 cm | |
| 8540.11.10.40 | Exceeding 39 cm but not exceeding 45 cm | |
| 8540.11.10.50 | Exceeding 45 cm but not exceeding 50 cm | |
| 8540.11.10.55 | Exceeding 50 cm but not exceeding 63 cm | |
| 8540.11.10.85 | Exceeding 63 cm | |
| 8540.11.24.01 | Having a video display diagonal not exceeding 34.29 cm | 7.5% |
| 8540.11.28.01 | Other | 15% |
| 8540.11.30.00 | High definition, having a video display diagonal exceeding 35.56 cm | 15% |
| 8540.11.44.01 | Having a video display diagonal not exceeding 34.29 cm | 7.5% |
| 8540.11.48.01 | Other | 15% |
| 8540.11.50.00 | Other | 15% |
| 8540.12 | Monochrome: | |
| 8540.12.10.00 | Non-high definition | 3.6% |
| 8540.12.20.00 | High definition | 3.6% |
| 8540.12.50 | Non-high definition | 3.3% |
| 8540.12.50.40 | Projection | |
| 8540.12.50.80 | Other | |
| 8540.12.70.00 | High definition | 3.3% |
| 8540.20 | Television camera tubes; image converters and intensifiers; other photocathode tubes: | |
| 8540.20.20 | Cathode-ray tubes | 6% |
| 8540.20.20.40 | Color | |
| 8540.20.20.80 | Other | |
| 8540.20.40.00 | Other | 3.3% |
| 8540.40.10 | Data/graphic display tubes, monochrome; data/graphic display tubes, color, with a phosphor dot screen pitch smaller than 0.4 mm | 3% |
| 8540.40.10.10 | Color | |
| 8540.40.10.50 | Other | |
| 8540.60.00 | Other cathode-ray tubes | 3% |
| 8540.60.00.20 | Not exceeding 30 cm | |
| 8540.60.00.65 | Exceeding 30 cm but not exceeding 36 cm | |
| 8540.60.00.80 | Exceeding 36 cm | |
| 8540.71 | Magnetrons: | |
| 8540.71.20.00 | Modified for use as parts of microwave ovens | Free |
| 8540.71.40.00 | Other | 3.7% |
| 8540.79 | Other: | |
| 8540.79.10.00 | Klystrons | 3.3% |
| 8540.79.20.00 | Other | 3.7% |
| 8540.81.00.00 | Receiver or amplifier tubes | 4.2% |
| 8540.89.00 | Other | 3.7% |
| 8540.89.00.20 | Gas and vapor electron tubes | |
| 8540.89.00.40 | Diodes, triodes and tetrodes | |
| 8540.89.00.60 | Light-sensing tubes | |
| 8540.89.00.80 | Other | |
| 8540.91 | Of cathode-ray tubes: | |
| 8540.91.15.00 | Front panel assemblies | 5.4% |
| 8540.91.20.00 | Deflection coils | Free |
| 8540.91.50.00 | Other | 5.4% |
| 8540.99 | Other: | |
| 8540.99.40.00 | Electron guns; radio frequency (RF) interaction structures for microwave tubes of subheadings 8540.71 through 8540.79, inclusive | Free |
| 8540.99.80.00 | Other | Free |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- ADVANCED FUSION SYSTEMS, LLC
- EBL PRODUCTS, INC.
- MICROTECH, INC.
- NORTHEAST ELECTRONICS CORP.
- QUALITY COILS, INCORPORATED
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And 2 more in the public records. See all →
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 8540 has 22 of them; the first 12 are below. Schedule B lookup →
- 8540.11.0035CATHODE-RAY TV PICTURE TUBES, COLOR, VIDEO DISPLAY NOT EXCEEDING 50 CM (20 INCHES) DIAGONAL
- 8540.11.0070CATHODE-RAY TELEVISION PICTURE TUBES, COLOR, HAVING A VIDEO DISPLAY DIAGONAL EXCEEDING 50 CM (20 INCHES) BUT NOT EXCEEDING 67 CM (26 INCHES)
- 8540.11.0080CATHODE-RAY TELEVISION PICTURE TUBES, COLOR, HAVING A VIDEO DISPLAY DIAGONAL EXCEEDING 67 CM (26 INCHES)
- 8540.12.0000CATHODE-RAY TV PICTURE TUBES, BLACK & WHITE OR OTHER MONOCHROME
- 8540.20.2000CATHODE RAY TELEVISION CAMERA TUBES AND OTHER PHOTOCATHODE TUBES
- 8540.20.4000TV CAMERA, IMAGE INTENSIFIER & CONVERTER TUBES, NESOI
- 8540.40.1010DATA/GRAPHIC DISPLAY TUBES, COLOR, WITH A PHOSPHOR DOT SCREEN PITCH SMALLER THAN 0.4MM
- 8540.40.1050DATA/GRAPHIC DISPLAY TUBES, BLACK AND WHITE OR OTHER MONOCHROME
- 8540.60.0055CATHODE-RAY TUBES, HAVING A VIDEO DISPLAY DIAGONAL NOT EXCEEDING 36 CM (14 INCHES), NESOI
- 8540.60.0080CATHODE-RAY TUBES, HAVING A VIDEO DISPLAY DIAGONAL EXCEEDING 36 CM, NESOI
- 8540.71.2000MAGNETRONS MODIFIED FOR USE IN MICROWAVE OVENS
- 8540.71.4000MAGNETRON MICROWAVE TUBES, NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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