Phase-Control Thyristor Chip from China
Unmounted 16A phase-control thyristor chips for lighting and heating applications. Classified under 8541.30.00.40 as discrete thyristor dice with integral phase angle control. Common in TRIAC-alternative single-quadrant applications.
Duty Rate — China → United States
50%
Rate breakdown
9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Specify RMS current rating methodology; provide passivation layer specs; declare chip backside metallization status