RF Silicon Varactor Diode Die from China

Unmounted silicon hyperabrupt junction varactor diode dice for voltage-controlled oscillators and tuning circuits in wireless communications. Exhibits precise capacitance-voltage characteristics. HTS 8541.10.0040 covers these semiconductor variable capacitance diodes.

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
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

C-V curve test data mandatory to distinguish varactors from fixed capacitance diodes

RF-qualified dice need MIL-STD or AEC-Q101 qualification documents for automotive/wireless imports

Small die sizes (<0.5mm²) risk being classified as IC test structures without proper specs