Chapters › 8540

HTS 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

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
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Chapter 99 measures listing products under 8540

Lines under 8540

HTSDescriptionGeneralColumn 2
8540.11Color:
8540.11.10Non-high definition, non-projection, having a video display diagonal exceeding 35.56 cm15%60%
8540.11.10.30Not exceeding 39 cm
8540.11.10.40Exceeding 39 cm but not exceeding 45 cm
8540.11.10.50Exceeding 45 cm but not exceeding 50 cm
8540.11.10.55Exceeding 50 cm but not exceeding 63 cm
8540.11.10.85Exceeding 63 cm
8540.11.24.01Having a video display diagonal not exceeding 34.29 cm7.5%60%
8540.11.28.01Other15%60%
8540.11.30.00High definition, having a video display diagonal exceeding 35.56 cm15%60%
8540.11.44.01Having a video display diagonal not exceeding 34.29 cm7.5%60%
8540.11.48.01Other15%60%
8540.11.50.00Other15%60%
8540.12Monochrome:
8540.12.10.00Non-high definition3.6%60%
8540.12.20.00High definition3.6%60%
8540.12.50Non-high definition3.3%60%
8540.12.50.40Projection
8540.12.50.80Other
8540.12.70.00High definition3.3%60%
8540.20Television camera tubes; image converters and intensifiers; other photocathode tubes:
8540.20.20Cathode-ray tubes6%35%
8540.20.20.40Color
8540.20.20.80Other
8540.20.40.00Other3.3%35%
8540.40.10Data/graphic display tubes, monochrome; data/graphic display tubes, color, with a phosphor dot screen pitch smaller than 0.4 mm3%35%
8540.40.10.10Color
8540.40.10.50Other
8540.60.00Other cathode-ray tubes3%35%
8540.60.00.20Not exceeding 30 cm
8540.60.00.65Exceeding 30 cm but not exceeding 36 cm
8540.60.00.80Exceeding 36 cm
8540.71Magnetrons:
8540.71.20.00Modified for use as parts of microwave ovensFree35%
8540.71.40.00Other3.7%35%
8540.79Other:
8540.79.10.00Klystrons3.3%35%
8540.79.20.00Other3.7%35%
8540.81.00.00Receiver or amplifier tubes4.2%35%
8540.89.00Other3.7%35%
8540.89.00.20Gas and vapor electron tubes
8540.89.00.40Diodes, triodes and tetrodes
8540.89.00.60Light-sensing tubes
8540.89.00.80Other
8540.91Of cathode-ray tubes:
8540.91.15.00Front panel assemblies5.4%35%
8540.91.20.00Deflection coilsFree35%
8540.91.50.00Other5.4%35%
8540.99Other:
8540.99.40.00Electron guns; radio frequency (RF) interaction structures for microwave tubes of subheadings 8540.71 through 8540.79, inclusiveFree35%
8540.99.80.00OtherFree35%