Zener Diode 1N4733A
The 1N4733A is a 5.1V Zener diode used for voltage regulation in power supplies and protection circuits. It maintains a constant voltage through reverse breakdown, classifying it as an 'other' semiconductor device under tariff item 8541.59.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the diode is presented as a rectifier diode
Rectifier diodes have a dedicated subheading, but Zener diodes are typically classified under other semiconductor devices.
If the Zener diode is part of a monolithic integrated circuit
ICs with integrated Zener diodes are classified under heading 85.42.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify the Zener diode under 8541.59.00 as a semiconductor device
• Keep datasheets to confirm the Zener breakdown voltage and regulation function
• Check for preferential duty rates under free trade agreements
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