BFG520W NPN Silicon Microwave Transistor from China

BFG520W is a double-poly NPN silicon RF transistor for microwave applications up to 5 GHz, used in base station amplifiers and wireless infrastructure. Meets HTS 8541.29.00.65 for transistors operating 30 MHz to 30,000 MHz. High gain and linearity for cellular communications.

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

Submit detailed frequency response curves from datasheet to Customs for verification

Separate discrete transistors from MMICs which classify differently under 8542.31

Maintain chain-of-custody documentation for high-value telecom components