1N4728A 3.3V Zener Diode from China
1N4728A precision 3.3V zener diode for reference voltage in digital circuits and power management. Under HTS 8541.10.00.70 with max current rating of 0.175A at specified voltage, non-photosensitive regulator.
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
• Tolerance specs (±5%) must match datasheet for low-current verification
• DO-41 package dimensions uniform; declare to avoid size-based misclassification
• Voltage calibration certificates recommended for precision zeners