Crystal Grower Control Printed Circuit Board
This printed circuit assembly regulates temperature and pull speed in Czochralski crystal growers used to produce monocrystalline silicon boules for semiconductor wafers. It is a dedicated control board for these specific machines. As a part suitable solely for machines of heading 84.71, it falls under tariff item 8473.30.20.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the PCB is not a printed circuit assembly
Other parts and accessories of machines of heading 84.71 are classified under this residual item.
If the crystal grower is not of heading 84.71
Machines having individual functions not specified elsewhere are classified under heading 84.79.
If the PCB is a control panel with multiple functions
Boards, panels, consoles and bases for electric control or distribution are classified under heading 85.37.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide evidence that the PCB is solely or principally used with crystal growers of heading 84.71
• Ensure the PCB is declared as a printed circuit assembly, not a bare board
• Verify if the goods qualify for preferential duty rates under trade agreements
Related Products under Tariff item 8473.30.20
3DS Stacked 16GB HBM2 Memory Module
This 16GB High Bandwidth Memory 2 (HBM2) module uses 3D stacking technology for AI accelerators and high-performance workstations of heading 84.71. The advanced printed circuit assembly provides massive bandwidth for compute-intensive applications. As a PCA suitable for use solely or principally with machines of heading 84.71, it falls under tariff item 8473.30.20.
CMP Polisher Motor Driver Assembly
This printed circuit assembly (PCA) drives stepper motors for slurry flow and pad conditioning in chemical mechanical planarization polishers for semiconductor wafers. It ensures precise control of polishing processes. As a PCA suitable for use solely or principally with machines of heading 84.71, it falls under tariff item 8473.30.20.
Crystal Grinder Diameter Control PCA
This printed circuit assembly is designed for automated crystal grinders that shape semiconductor boules to precise wafer diameters and grind orientation flats. It processes laser measurement feedback for closed-loop diameter control, ensuring accurate and consistent grinding. As a dedicated part for machines of heading 84.71, it falls under tariff item 8473.30.20.
DDR3 4GB Legacy SODIMM Module
This 4GB DDR3 SODIMM module is designed for legacy laptops and embedded systems compatible with older computers of heading 84.71. The printed circuit assembly maintains compatibility with aging data processing infrastructure. As a PCA suitable for use solely or principally with machines of heading 84.71, it falls under tariff item 8473.30.20.
DDR4 64GB Workstation RAM Module
This high-capacity 64GB DDR4 DIMM module is optimized for professional workstations and CAD computers of heading 84.71. The multi-rank printed circuit assembly supports demanding graphics and simulation workloads. As a PCA suitable for use solely or principally with machines of heading 84.71, it falls under tariff item 8473.30.20.
DDR4 SODIMM 8GB Laptop RAM Module
This small outline dual in-line memory module (SODIMM) with 8GB DDR4 SDRAM capacity is designed specifically for laptops and compact computers classified under heading 84.71. It consists of a printed circuit assembly populated with DRAM chips. As a PCA suitable for use solely or principally with machines of heading 84.71, it falls under tariff item 8473.30.20.