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)

Subcategories of 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)

• 854011Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, colour
• 854012Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, monochrome
• 854020Tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes
• 854040Tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm
• 854060Tubes; cathode ray, n.e.c. in heading no. 8540
• 854071Tubes; microwave, magnetrons, excluding grid-controlled tubes
• 854079Tubes; microwave (for example klystrons, travelling wave tubes, carlinotrons), excluding magnetrons and grid-controlled tubes
• 854081Valves and tubes; receiver or amplifier
• 854089Valves and tubes; n.e.c. in heading no. 8540
• 854091Tubes; parts of cathode-ray tubes
• 854099Valves and tubes; parts of the valves and tubes of heading no. 8540, excluding parts of cathode-ray tubes

Other HS 2022 codes under 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)

• 8501Electric motors and generators (excluding generating sets)
• 8502Electric generating sets and rotary converters
• 8503Electric motors and generators; parts suitable for use solely or principally with the machines of heading no. 8501 or 8502
• 8504Electric transformers, static converters (e.g. rectifiers) and inductors
• 8505Electro-magnets; permanent magnets, intended permanent magnets; electro-magnetic, permanent magnet chucks, clamps, similar; electromagnetic couplings, clutches, brakes; electro-magnetic lifting heads
• 8506Cells and batteries; primary
• 8507Electric accumulators, including separators therefor; whether or not rectangular (including square)
• 8508Vacuum cleaners
• 8509Electro-mechanical domestic appliances; with self-contained electric motor, other than vacuum cleaners of heading 85.08.
• 8510Shavers, hair clippers and hair removing appliances, with self-contained electric motor
• 8511Ignition or starting equipment; used for spark-ignition or compression-ignition internal combustion engines; generators and cut outs used in conjunction with such engines
• 8512Lighting or visual signalling equipment (excluding articles of heading no. 8539), windscreen wipers, defrosters and demisters; electrical, of a kind used for cycles or motor vehicles
• 8513Lamps; portable, electric, designed to function by their own source of energy (e.g. dry batteries, accumulators, magnetos), excluding lighting equipment of heading no. 8512
• 8514Industrial or laboratory electric furnaces and ovens (including those functioning by induction or dielectric loss); other industrial or laboratory equipment for the heat treatment of materials by induction or dielectric loss
• 8515Electric (electrically heated gas) soldering, brazing, welding machines and apparatus, capable or not of cutting, electric machines and apparatus for hot spraying of metals or sintered carbides
• 8516Electric water, space, soil heaters; electro-thermic hair-dressing apparatus; hand dryers, irons; electro-thermic appliances for domestic purposes; electro heating resistors, not of heading no. 8545
• 8517Telephone sets, including smartphones and other telephones for cellular/wireless networks; other apparatus for the transmission or reception of voice, images or other data (including wired/wireless networks), excluding items of 8443, 8525, 8527, or 8528
• 8518Microphones and their stands; loudspeakers, mounted or not in their enclosures; headphones and earphones, combined or not with a microphone, and sets of a microphone and one or more loudspeakers; audio-frequency and electric sound amplifiers and sets
• 8519Sound recording or reproducing apparatus
• 8521Video recording or reproducing apparatus
• 8522Sound or video recording apparatus; parts and accessories suitable for use solely or principally with the apparatus of heading 8519 or 8521
• 8523Discs, tapes, solid-state non-volatile storage devices, smart cards and other media for the recording of sound or of other phenomena, whether or not recorded, including matrices and masters for the production of discs, excluding products of Chapter 37
• 8524Flat panel display modules, whether or not incorporating touch-sensitive screens
• 8525Transmission apparatus for radio-broadcasting or television, whether or not incorporating reception apparatus or sound recording or reproducing apparatus; television cameras, digital cameras and video camera recorders
• 8526Radar apparatus, radio navigational aid apparatus and radio remote control apparatus
• 8527Reception apparatus for radio-broadcasting, whether or not combined, in the same housing, with sound recording or reproducing apparatus or a clock.
• 8528Monitors and projectors, not incorporating television reception apparatus; reception apparatus for television, whether or not incorporating radio-broadcast receivers or sound or video recording or reproducing apparatus
• 8529Transmission apparatus; parts suitable for use solely or principally with the apparatus of heading no. 8524 to 8528
• 8530Signalling, safety or traffic control equipment; for railways, tramways, roads, inland waterways, parking facilities, port installations, airfields, excluding those of heading no. 8608
• 8531Signalling apparatus; electric sound or visual (e.g. bells, sirens, indicator panels, burglar or fire alarms), excluding those of heading no. 8512 or 8530
• 8532Electrical capacitors; fixed, variable or adjustable (pre-set)
• 8533Electrical resistors (including rheostats and potentiometers), excluding heating resistors
• 8534Circuits; printed
• 8535Electrical apparatus for switching, protecting electrical circuits, for making connections to or in electrical circuits; for a voltage exceeding 1000 volts
• 8536Electrical apparatus for switching, protecting electrical circuits, for making connections to or in electrical circuits, for a voltage not exceeding 1000 volts; connectors for optical fibres, optical fibre bundles or cables
• 8537Boards, panels, consoles, desks, cabinets, bases with apparatus of heading no. 8535, 8536 for electricity control and distribution, (other than switching apparatus of heading no. 8517)
• 8538Electrical apparatus; parts suitable for use solely or principally with the apparatus of heading no. 8535, 8536 and 8537
• 8539Lamps; electric filament or discharge lamps, including sealed beam lamp units and ultra-violet or infra-red lamps, arc lamps, light-emitting diode (LED) light sources
• 8541Semiconductor devices (e.g. diodes, transistors, semiconductor based transducers); including photovoltaic cells assembled or not in modules or panels, light-emitting diodes (LED) assembled with other LEDs or not, mounted piezo-electric crystals
• 8542Electronic integrated circuits
• 8543Electrical machines and apparatus; having individual functions, not specified or included elsewhere in this chapter
• 8544Insulated wire, cable and other electric conductors, connector fitted or not; optical fibre cables of individually sheathed fibres, whether or not assembled with electric conductors or fitted with connectors
• 8545Carbon electrodes, carbon brushes, lamp carbons, battery carbons and other articles of graphite or other carbon; with or without metal, of a kind used for electrical purposes
• 8546Electrical insulators of any material
• 8547Insulating fittings; for electrical machines, appliances, equipment, excluding insulators of heading no. 8546, electrical conduit tubing and joints therefore
• 8548Electrical parts of machinery or apparatus; not specified or elsewhere included in this chapter
• 8549Electrical and electronic waste and scrap

Frequently asked questions

What is HS 2022 8540?

HS 2022 8540 is "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)". HS 2022 code 8540 covers "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)" at level 3 of the HS 2022 hierarchy.

What does HS 2022 8540 include?

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) contains 11 direct subcategories: 854011 Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, colour; 854012 Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, monochrome; 854020 Tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes; 854040 Tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm; 854060 Tubes; cathode ray, n.e.c. in heading no. 8540; 854071 Tubes; microwave, magnetrons, excluding grid-controlled tubes; and more.

What is the parent category of 8540?

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) sits under 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) in the HS 2022 hierarchy.