Tubes; microwave, magnetrons, excluding grid-controlled tubes

HS v2022 Code: 854071

About tubes; microwave, magnetrons, excluding grid-controlled tubes

HS code 854071 covers the import and export of microwave tubes and magnetrons, which are essential components in a wide range of electronic devices and systems. These specialized tubes play a crucial role in the generation and amplification of high-frequency electromagnetic waves, enabling technologies such as radar, satellite communications, and industrial microwave ovens. As a key part of the broader electronics and electrical equipment industry, the trade of these tubes is an important factor in global supply chains and technological advancement.

Production process

The production of microwave tubes and magnetrons typically involves a multi-step manufacturing process. This includes the fabrication of the vacuum envelope, the installation of the cathode, grid, and anode structures, and the precise alignment of the electromagnetic focusing and accelerating components. Advanced techniques such as chemical vapor deposition and electron beam welding are often employed to ensure the high-quality and reliability of these specialized tubes.

Production inputs

The main inputs required for the production of HS code 854071 items include specialized metals and alloys for the vacuum envelope and electrodes, as well as high-precision electronic components and control systems. Additionally, the manufacturing process relies on advanced machinery and testing equipment to ensure the consistent quality and performance of the final products.

Production outputs

Microwave tubes and magnetrons classified under HS code 854071 are primarily used as components in a wide range of electronic devices and systems, including 851762 Machines and apparatus for radio-telephony, radio-telegraphy, radio-broadcasting, television, television cameras, digital cameras and video camera recorders, 854020 Cathode-ray television picture tubes; including video monitor cathode-ray tubes, and 854071 Tubes; microwave, magnetrons, excluding grid-controlled tubes. These tubes are essential for the generation, amplification, and control of high-frequency electromagnetic signals, enabling critical technologies in the fields of telecommunications, defense, and industrial applications.

Revisions to 854071

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 854071. The most recent 1 version of this code (854071) is in the HS v2022 system (this version):

This page shows the most recent version of code 854071.

Family tree for tubes; microwave, magnetrons, excluding grid-controlled tubes

    graph LR
    A["<a href='/classifications/hs/v2022/85'>85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers; television image and sound recorders and reproducers, parts and accessories of such articles</a>"]
A --> B["<a href='/classifications/hs/v2022/8540'>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)</a>"]
B --> C["<a href='/classifications/hs/v2022/854071'>854071: Tubes; microwave, magnetrons, excluding grid-controlled tubes</a>"]

    B --> D["<a href='/classifications/hs/v2022/854011'>854011: Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, colour</a>"]
B --> E["<a href='/classifications/hs/v2022/854012'>854012: Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, monochrome</a>"]
B --> F["<a href='/classifications/hs/v2022/854020'>854020: Tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes</a>"]
B --> G["<a href='/classifications/hs/v2022/854040'>854040: Tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm</a>"]
B --> H["<a href='/classifications/hs/v2022/854060'>854060: Tubes; cathode ray, n.e.c. in heading no. 8540</a>"]
B --> I["<a href='/classifications/hs/v2022/854079'>854079: Tubes; microwave (for example klystrons, travelling wave tubes, carlinotrons), excluding magnetrons and grid-controlled tubes</a>"]
B --> J["<a href='/classifications/hs/v2022/854081'>854081: Valves and tubes; receiver or amplifier</a>"]
B --> K["<a href='/classifications/hs/v2022/854089'>854089: Valves and tubes; n.e.c. in heading no. 8540</a>"]
B --> L["<a href='/classifications/hs/v2022/854091'>854091: Tubes; parts of cathode-ray tubes</a>"]
B --> M["<a href='/classifications/hs/v2022/854099'>854099: Valves and tubes; parts of the valves and tubes of heading no. 8540, excluding parts of cathode-ray tubes</a>"]

    

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    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
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    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight