Low-Noise Amplifier Transistor Chip from China
Unmounted silicon chips of low-noise transistors designed for audio and RF preamplifiers with dissipation under 1W, used in hearing aids and professional audio equipment. Classified in HTS 8541.21.00.40 for unmounted transistor dice.
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
• Provide noise figure and gain specifications to support <1W dissipation classification
• Use nitrogen-purged, vacuum-sealed packaging to prevent oxidation during transit