MRF455 NPN Power RF Transistor from China
The MRF455 is a high-power NPN silicon RF transistor for FM broadcast transmitters operating at frequencies from 30 MHz to 550 MHz. Classified under HTS 8541.29.00.65 due to its RF operating range between 30 MHz and 30 GHz. Used in professional broadcast and amateur radio amplifiers.
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
• Confirm power rating and frequency specs match 8541.29.00.65 criteria; misclassification to 8541.90 common error
• Provide FCC compliance statements if destined for radio transmission applications
• Watch for anti-dumping duties on certain RF semiconductors from specific origins