HS-4 · Heading
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)
Chapter 85: Electrical machinery and equipment
Plain-language overview
Use HS-4 8540 when importing thermionic, cold cathode, or photo-cathode valves and tubes, such as vacuum tubes or cathode-ray television picture tubes. For example, if you're bringing in a shipment of color cathode-ray tubes for televisions, this is the correct code.
To determine the right subheading, consider the specific type of tube. For instance, if your product is a monochrome cathode-ray tube, you would classify it under HS-6 854012. In contrast, color tubes fall under HS-6 854011. This distinction is crucial for accurate tariff classification and duty assessment.
If your shipment includes television camera tubes or image converters, you should use HS-6 854020. This line specifically covers photo-cathode tubes used in imaging applications, differing from the cathode-ray tubes meant for display purposes. Make sure to identify the end-use to select the correct subheading.
For microwave tubes, the choice between HS-6 854071 (magnetrons) and HS-6 854079 (other microwave tubes like klystrons) depends on the specific technology used. If you're importing magnetrons, choose 854071, while for klystrons, select 854079.
Keywords & topics
Short phrases that describe this HS-4 heading when you're searching or filtering schedules.
thermionic valves · cold cathode tubes · photo-cathode tubes · cathode-ray tubes · television picture tubes · microwave tubes · valves and tubes · importing electronics · HS-4 classification · electronic components · customs codes · tariff classification · electrical machinery · import/export regulations · cathode-ray technology · television components
Examples
Drawn from the official tariff wording for this HS-4 heading. Always confirm against your published schedule and legal notes.
- Color cathode-ray television picture tubes
- Monochrome cathode-ray television picture tubes
- Television camera tubes and image converters
- Microwave magnetrons for radar applications
- Klystrons used in communication systems
- Parts of cathode-ray tubes for repair
- Vacuum tubes used in audio amplifiers
Common questions
How people often phrase their search when they're trying to classify goods like yours.
- What is HS-4 8540 used for?
- How do I classify cathode-ray tubes?
- What are the subheadings under HS-4 8540?
- Which code for microwave tubes?
- How to import thermionic valves?
- What are the duties for HS-4 8540 products?
- How to determine the right HS-6 code?
Related topics
Longer phrases that come up when you're comparing codes or talking to a broker.
- how to classify thermionic valves for import
- difference between cathode-ray and microwave tubes
- best practices for importing electronic components
- how to choose the right HS-6 subheading
- import regulations for television picture tubes
- understanding HS-4 8540 for customs
- specifics of importing photo-cathode tubes
- guidelines for tariff classification of valves and tubes
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What types of products fall under HS-4 8540?
- HS-4 8540 includes thermionic, cold cathode, and photo-cathode valves and tubes, such as vacuum tubes and cathode-ray tubes used in televisions.
- How do I know which HS-6 code to use?
- Identify the specific type of tube or valve you are importing. For example, use **HS-6 854011** for color cathode-ray tubes and **HS-6 854012** for monochrome tubes.
- What is the difference between magnetrons and klystrons?
- Magnetrons are classified under **HS-6 854071**, while klystrons and similar microwave tubes fall under **HS-6 854079**.
- Are there any parts classified under HS-4 8540?
- Yes, there are specific subheadings for parts, such as **HS-6 854091** for parts of cathode-ray tubes and **HS-6 854099** for other valve and tube parts.
- What are the import duties for products under HS-4 8540?
- Import duties vary based on the specific HS-6 code and the country of origin. Check with your local customs authority for detailed rates.
- Can I use HS-4 8540 for all electronic tubes?
- No, HS-4 8540 specifically covers thermionic, cold cathode, and photo-cathode tubes. Other electronic components may fall under different headings.
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Heading-browse mode uses HS-6 854000 (first line of this block).
HS-6 subheadings (11)
- 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