Zener Diode 1N4733A from Japan

The 1N4733A is a 5.1V Zener diode used for voltage regulation and reference in power supplies and stabilizers. It maintains constant voltage across its terminals under reverse bias, qualifying under HTS 8541.10.00 for non-light-emitting diodes. Critical for protecting circuits from voltage spikes.

Duty Rate — Japan → United States

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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Import Tips

• Classify by Zener voltage rating in documentation; differentiate from Schottky diodes which may have different treatments

• Provide tolerance specs (e.g

• 5%) to customs for accurate valuation and duty calculation

• Avoid common pitfall of declaring as 'LEDs' due to similar appearance; include reverse breakdown characteristic data