8541.30.00.40/High-Power Thyristor Wafer (4-inch)/Germany

High-Power Thyristor Wafer (4-inch) from Germany

4-inch unmounted silicon wafers for manufacturing high-power thyristors used in HVDC transmission systems. Specifically classified under 8541.30.00.40 due to thyristor-specific epitaxial layers and doping. These enable megawatt-scale power control applications.

Duty Rate — Germany → United States

0%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Declare crystal orientation (e.g

• <100> silicon) and resistivity specs; require radiation/particle-free certification for cleanroom entry; use prime wafer valuation excluding test structures