2SC4081 NPN Silicon UHF Transistor from Mexico
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 — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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