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

• 8540.11.00.10 For use in certain types of aircraft14%
• 8540.11.00.90 Other14%

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

• 8540.12.00.10 For use in certain types of aircraft7.5%
• 8540.12.00.90 Other7.5%

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

• Television camera tubes
• 8540.20.10.10 For use in certain types of aircraft2.7%
• 8540.20.10.90 Other2.7%
• Other
• 8540.20.80.10 For use in certain types of aircraft2.7%
• Other
• 8540.20.80.91 Photomultiplier2.7%
• 8540.20.80.99 Other2.7%

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

• 8540.40.00.10 For use in certain types of aircraft2.6%
• 8540.40.00.90 Other2.6%

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

• 8540.60.00.10 For use in certain types of aircraft2.6%
• 8540.60.00.80 Other2.6%

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

• 8540.71.00.10 For use in certain types of aircraft2.7%
• 8540.71.00.90 Other2.7%

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

• 8540.79.00.10 For use in certain types of aircraft2.7%
• 8540.79.00.90 Other2.7%

8540.81 Valves and tubes; receiver or amplifier

• 8540.81.00.10 For use in certain types of aircraft2.7%
• 8540.81.00.90 Other2.7%

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

• 8540.89.00.10 For use in certain types of aircraft2.7%
• Other
• 8540.89.00.91 Displays in the form of a tube consisting of a glass housing mounted on a board the dimensions of which do not exceed 300 mm × 350 mm excluding leads. The tube contains one or more rows of characters or lines arranged in rows, each character or line consisting of fluorescent or phosphorescent elements. These elements are mounted on a metallised base which is covered with fluorescent substances or phosphorescent salts which give off light when bombarded with electrons2.7%
• 8540.89.00.99 Other2.7%

8540.91 Tubes; parts of cathode-ray tubes

• 8540.91.00.10 For use in certain types of aircraft2.7%
• 8540.91.00.20 Thermionic electron source (emitter point) of lanthanum hexaboride (CAS RN 12008-21-8) or cerium hexaboride (CAS RN 12008-02-5), with electric connectors: with or without a metal housing; with or without a graphite carbon shield mounted in a mini-Vogel type system; with or without separate pyrolytic carbon blocks used as heating elements, and a cathode temperature of less than 1 800 K at a filament current of 1,26 A2.7%
• 8540.91.00.90 Other2.7%

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

• 8540.99.00.10 For use in certain types of aircraft2.7%
• 8540.99.00.90 Other2.7%