1N4728A 3.3V Zener Diode from China
The 1N4728A is a 3.3V Zener diode commonly used in low-voltage reference and protection circuits for microcontrollers and sensors. It operates through the Zener breakdown mechanism, distinguishing it from other diode types. As a discrete, non-photosensitive, non-LED diode, it is classified under this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the diode is declared as a discrete semiconductor device, not as part of a larger assembly
• Provide the datasheet showing Zener breakdown voltage for classification support
• Verify if the diodes qualify for duty-free treatment under trade agreements