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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
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