3818.00.00.30/5-inch Semi-Insulating SiC Wafer (Chromium-Doped)/Germany

5-inch Semi-Insulating SiC Wafer (Chromium-Doped) from Germany

5-inch high-resistivity silicon carbide wafer chromium-doped for semi-insulating properties in RF GaN devices. Under HTS 3818.00.00.30 as specialty doped electronic wafer. Critical for low-loss microwave amplifiers.

Duty Rate — Germany → United States

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))

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Import Tips

• Resistivity >10^9 ohm-cm cert mandatory; lower values reclassify

• Trap density reports prevent disputes over 'doped for electronics' claim