8540 Thermionic, cold cathode or photo-cathode valves and tubes (e.g. vacuum, vapour, gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray and television camera tubes)

8540.11 Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, colour

• Non-high definition, non-projection, having a video display diagonal exceeding 35.56 cm
• Having a video display diagonal
• 8540.11.10.30 Not exceeding 39 cm15%
• 8540.11.10.40 Exceeding 39 cm but not exceeding 45 cm15%
• 8540.11.10.50 Exceeding 45 cm but not exceeding 50 cm15%
• 8540.11.10.55 Exceeding 50 cm but not exceeding 63 cm15%
• 8540.11.10.85 Exceeding 63 cm15%
• Non-high definition, non-projection, having a video display diagonal not exceeding 35.56 cm
• 8540.11.24.01 Having a video display diagonal not exceeding 34.29 cm7.5%
• 8540.11.28.01 Other15%
• 8540.11.30.00 High definition, having a video display diagonal exceeding 35.56 cm15%
• High definition, having a video display diagonal not exceeding 35.56 cm
• 8540.11.44.01 Having a video display diagonal not exceeding 34.29 cm7.5%
• 8540.11.48.01 Other15%
• 8540.11.50.00 Other15%

8540.12 Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, monochrome

• Television picture tubes having a straight line dimension across the faceplate greater than 29 cm but having no straight line dimension across the faceplate that exceeds 42 cm
• 8540.12.10.00 Non-high definition3.6%
• 8540.12.20.00 High definition3.6%
• Other
• Non-high definition
• 8540.12.50.40 Projection3.3%
• 8540.12.50.80 Other3.3%
• 8540.12.70.00 High definition3.3%

8540.20 Tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes

• Cathode-ray tubes
• 8540.20.20.40 Color6%
• 8540.20.20.80 Other6%
• 8540.20.40.00 Other3.3%

8540.40 Tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm

• 8540.40.10.10 Color3%
• 8540.40.10.50 Other3%

8540.60 Tubes; cathode ray, n.e.c. in heading no. 8540

• 8540.60.00.20 Not exceeding 30 cm3%
• 8540.60.00.65 Exceeding 30 cm but not exceeding 36 cm3%
• 8540.60.00.80 Exceeding 36 cm3%

8540.71 Tubes; microwave, magnetrons, excluding grid-controlled tubes

• 8540.71.20.00 Modified for use as parts of microwave ovensFree
• 8540.71.40.00 Other3.7%

8540.79 Tubes; microwave (for example klystrons, travelling wave tubes, carlinotrons), excluding magnetrons and grid-controlled tubes

• 8540.79.10.00 Klystrons3.3%
• 8540.79.20.00 Other3.7%

8540.81 Valves and tubes; receiver or amplifier

• 8540.81.00.00 Receiver or amplifier tubes4.2%

8540.89 Valves and tubes; n.e.c. in heading no. 8540

• 8540.89.00.20 Gas and vapor electron tubes3.7%
• 8540.89.00.40 Diodes, triodes and tetrodes3.7%
• 8540.89.00.60 Light-sensing tubes3.7%
• 8540.89.00.80 Other3.7%

8540.91 Tubes; parts of cathode-ray tubes

• 8540.91.15.00 Front panel assemblies5.4%
• 8540.91.20.00 Deflection coilsFree
• 8540.91.50.00 Other5.4%

8540.99 Valves and tubes; parts of the valves and tubes of heading no. 8540, excluding parts of cathode-ray tubes

• 8540.99.40.00 Electron guns; radio frequency (RF) interaction structures for microwave tubes of subheadings 8540.71 through 8540.79, inclusiveFree
• 8540.99.80.00 OtherFree