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
9903.05.860%Universal product exemption (U.S. note 52(b))
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