Heat Sink Assembly for Power Regulators
An aluminum heat sink assembly with thermal interface tailored for high-power temperature regulators under heading 90.32. It is a thermal management part for these regulators, classified under tariff item 9032.90.00.
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 heat sink is a general-purpose cooling device
Machines having individual functions are classified in heading 84.79.
If the heat sink is a simple aluminum article not specific to regulators
Other articles of aluminum are classified in heading 76.16.
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
• Confirm the heat sink is designed exclusively for regulators of heading 90.32, not for general electronic equipment
• Provide engineering drawings showing the specific mounting and thermal requirements
• Verify whether the heat sink includes any fans or active cooling elements
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