Electrical apparatus; transistors, (other than photosensitive), with a dissipation rate of less than 1W

HS v2022 Code: 854121

About electrical apparatus; transistors, (other than photosensitive), with a dissipation rate of less than 1w

HS code 854121 covers the classification of electrical transistors, a critical component in a wide range of electronic devices and systems. Transistors are fundamental building blocks of modern electronics, enabling the amplification, switching, and regulation of electrical signals. This industry plays a vital role in the production of consumer electronics, industrial automation, telecommunications equipment, and numerous other applications that are essential to the global economy.

Production process

The production of transistors classified under HS code 854121 typically involves a multi-step semiconductor manufacturing process. This includes the growth of semiconductor materials, such as silicon or germanium, followed by the controlled doping and layering of these materials to create the transistor structure. Advanced techniques like photolithography, chemical vapor deposition, and ion implantation are used to precisely pattern and fabricate the transistor components on a silicon wafer. The final transistors are then packaged and tested to ensure their performance and reliability.

Production inputs

The main inputs required for the production of transistors under HS code 854121 include semiconductor-grade silicon or other semiconductor materials, specialized manufacturing equipment such as clean room facilities, deposition chambers, and lithography tools, as well as a range of chemicals and gases used in the various processing steps. Additionally, the industry relies on a skilled workforce with expertise in semiconductor device fabrication and engineering.

Production outputs

Transistors classified under HS code 854121 are a fundamental component used in a wide range of electronic devices and systems. These transistors are often incorporated into integrated circuits, microprocessors, and other electronic components that are then used in consumer electronics, 851712 Telephones for cellular networks or for other wireless networks, 847130 Automatic data processing machines and units thereof, and a variety of industrial and commercial applications.

Revisions to 854121

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 854121. The most recent 1 version of this code (854121) is in the HS v2022 system (this version):

This page shows the most recent version of code 854121.

Family tree for electrical apparatus; transistors, (other than photosensitive), with a dissipation rate of less than 1w

    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/v2022/8541'>8541: Semiconductor 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</a>"]
B --> C["<a href='/classifications/hs/v2022/854121'>854121: Electrical apparatus; transistors, (other than photosensitive), with a dissipation rate of less than 1W</a>"]

    B --> D["<a href='/classifications/hs/v2022/854110'>854110: Electrical apparatus; diodes, other than photosensitive or light-emitting diodes (LED)</a>"]
B --> E["<a href='/classifications/hs/v2022/854129'>854129: Electrical apparatus; transistors, (other than photosensitive), with a dissipation rate of 1W or more</a>"]
B --> F["<a href='/classifications/hs/v2022/854130'>854130: Electrical apparatus; thyristors, diacs and triacs, other than photosensitive devices</a>"]
B --> G["<a href='/classifications/hs/v2022/854141'>854141: Electrical apparatus; photosensitive semiconductor devices, light emitting diodes (LED)</a>"]
B --> H["<a href='/classifications/hs/v2022/854142'>854142: Electrical apparatus; photosensitive semiconductor devices, photovoltaic cells not assembled in modules or made up into panels</a>"]
B --> I["<a href='/classifications/hs/v2022/854143'>854143: Electrical apparatus; photosensitive semiconductor devices, photovoltaic cells assembled in modules or made up into panels</a>"]
B --> J["<a href='/classifications/hs/v2022/854149'>854149: Electrical apparatus; photosensitive semiconductor devices, diodes other than light emitting diodes and photovoltaic cells whether or not assembled in modules or made up into panels</a>"]
B --> K["<a href='/classifications/hs/v2022/854151'>854151: Electrical apparatus; photosensitive semiconductor devices, semiconductor-based transducers</a>"]
B --> L["<a href='/classifications/hs/v2022/854159'>854159: Electrical apparatus; photosensitive semiconductor devices n.e.c. in heading no. 8541</a>"]
B --> M["<a href='/classifications/hs/v2022/854160'>854160: Crystals; mounted piezo-electric</a>"]
B --> N["<a href='/classifications/hs/v2022/854190'>854190: Electrical apparatus; parts for diodes, transistors and similar semiconductor devices and photosensitive semiconductor devices</a>"]

    

    %% Color coordination by level

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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
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    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 N 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