HS Code for Power Diodes and Rectifiers
The HS Code for power diodes and rectifiers is 854110. The MFN duty rate for importing to the US is Free.
| HS Code (6-digit) | 854110 |
|---|---|
| US Duty Rate (MFN) | Free |
| EU Duty Rate (MFN) | 0% |
| Chapter | 85 |
| Heading | 8541 |
| Last Updated | 2026-05 |
Description
Diodes, other than photosensitive or light-emitting diodes
HS Code 854110 covers power diodes and rectifiers, excluding photosensitive or light-emitting types, with a US MFN duty rate of Free.
Frequently Asked Questions
How does the semiconductor substrate material affect the classification of power diodes under HTS 8541.10?
The specific semiconductor material used is a key factor in classification. Diodes and rectifiers made from silicon (Si) are classified under 8541.10.00, while those made from materials like gallium arsenide (GaAs) are classified elsewhere, typically in heading 8541.50. The distinction is based on the material's properties and application, with silicon being the standard for most general-purpose power rectification.
What are the specific customs inspection risks for power diodes and rectifiers classified under HTS 854110?
The primary risk is misclassification as parts of machinery (Section XVI) or as other semiconductor devices, which can trigger audits and delays. Customs authorities often scrutinize these goods for incorrect origin declarations, especially for products subject to trade remedies like anti-dumping duties from certain countries. Proper technical documentation detailing the product's electrical characteristics is crucial to justify the 854110 classification and avoid penalties.
What additional costs beyond the product price and standard duty rate should I consider when importing power diodes and rectifiers under HTS 854110?
For HTS 854110, you must pay the Free Most Favored Nation (MFN) duty rate, but also consider the Merchandise Processing Fee (MPF) of 0.3464% (minimum $29.22, maximum $648.87 per entry). Furthermore, imports of these semiconductor devices from China are currently subject to a Free Section 301 additional tariff, which is a significant separate cost applied to the product's value.
Material Variations in Power Diode Classification
Classification of power diodes under 8541.10 is not affected by the material of the semiconductor element itself (e.g., silicon, silicon carbide, or gallium nitride). This heading covers all such devices regardless of the base semiconductor material. However, the packaging material can be relevant. Diodes hermetically sealed in a ceramic or metal package (like TO-3 or stud mounts) remain here, while those encapsulated solely in plastic may sometimes be scrutinized against consumer-grade device headings. The primary determining factors remain the device's electrical rating and function, not its composition.
Similar & Commonly Confused HTS Codes
Diodes, rectifiers, and transistors are frequently confused. Power diodes and rectifiers of heading 8541.10 are specifically for a current rating exceeding 1 ampere (1A). For semiconductor devices rated 1A or less, the correct classification is typically under HTS 8541.21 or 8541.29. Additionally, integrated circuits containing multiple diodes or rectifiers are classified separately under HTS 8542.31 or 8542.39. Always verify the device's electrical rating and internal structure to avoid misclassification.
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