Thyristor SCR BT151 from China
The BT151 is a silicon-controlled rectifier (SCR) thyristor semiconductor device for high-power switching in lighting dimmers and motor controls. HTS 8541.59.00.80 covers this as 'other' semiconductor device due to its unique gating mechanism beyond standard diodes/transistors. It handles high currents once triggered.
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%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Declare peak surge current ratings accurately; check Section 301 tariffs for Chinese thyristors; use original manufacturer packaging for authenticity verification