Float Zone Crystal Grower RF Coil
A radio frequency induction coil used in float zone furnaces for producing high-purity silicon crystals from polycrystalline rods, specific to machines of heading 84.72. It generates the molten zone for zone refining without crucibles. This part is classified under tariff item 8473.40.00 as a part of heading 84.72 machines.
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 RF coil is presented as a general-purpose inductor rather than a machine part
Other inductors are classified under heading 85.04.
If the coil is for machines of heading 84.86 rather than 84.72
Parts of machines for the manufacture of semiconductor devices are classified under heading 84.86.
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
• Ensure the RF coil is declared as a part of a float zone furnace of heading 84.72, not as a general electrical inductor
• If the coil is presented as an electrical transformer or inductor, it may be classified under heading 85.04
• Keep records of the specific furnace model it is designed for to support your declaration
Related Products under Tariff item 8473.40.00
ATM Cash Dispenser Control Assembly
This printed circuit assembly coordinates the cassette motors, sensors, and dispensing mechanisms in automatic teller machines (ATMs), including anti-jam detection and note validation. It is a part or accessory suitable for use solely or principally with machines of heading 84.72, specifically ATMs classified under tariff item 8472.90.10.
ATM Display Interface PCB Assembly
This printed circuit assembly controls the LCD/LED touchscreen and user interface graphics for ATMs, integrating display drivers and touch controllers. It is a dedicated component for ATMs classified under heading 84.72, making it a part or accessory of those machines under tariff item 8473.40.00.
ATM Main Control Board PCB Assembly
This printed circuit assembly serves as the central processing unit board for automatic teller machines (ATMs), handling core transaction processing and system control. It is specifically designed for ATMs of heading 84.72, qualifying as a part or accessory under tariff item 8473.40.00.
ATM Network Interface Circuit Board
This PCA enables Ethernet, modem, and secure network connectivity for remote ATM management and transactions, with banking-grade firewalls. It is tailored for ATMs of heading 84.72, making it a part or accessory under tariff item 8473.40.00.
ATM Power Management PCB
This PCA regulates voltage, power distribution, and UPS interfacing for ATM internal components, with fault-tolerant designs for 24/7 banking. It is specifically engineered for ATMs of heading 84.72, qualifying as a part or accessory under tariff item 8473.40.00.
ATM Security Module Circuit Assembly
This printed circuit assembly houses hardware security modules (HSM) for encryption, key management, and fraud detection in ATMs, meeting PCI DSS standards. It is exclusively used in ATMs of heading 84.72, making it a part or accessory under tariff item 8473.40.00.