5-inch Semi-Insulating SiC Wafer (Chromium-Doped) from Japan
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 — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Resistivity >10^9 ohm-cm cert mandatory; lower values reclassify
• Trap density reports prevent disputes over 'doped for electronics' claim