2SC4081 NPN Silicon UHF Transistor from China
2SC4081 is a low-noise NPN transistor for UHF cordless phones and wireless microphones, 400-470 MHz operation. Classified HTS 8541.29.00.65 for >30 MHz transistors. Standard in professional audio equipment.
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%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Wireless microphone frequencies regulated; FCC Part 74 compliance docs
• TO-92MOD package; distinguish from power transistors
• Common in pro audio imports from Asia