1N4728A 3.3V Zener Diode from Mexico
The 1N4728A is a 3.3V Zener diode commonly used in low-voltage reference and protection circuits for microcontrollers and sensors. Classified under HTS 8541.10.0050 due to its Zener breakdown mechanism distinguishing it from standard rectifier diodes.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide test data confirming Zener voltage and power rating to support tariff classification
• Declare exact quantity and value per diode; avoid bulk packaging misdescription
• Watch for anti-dumping duties on certain Asian-origin semiconductor diodes