25%
HTS code 8541.29.00 · Diodes and transistors · origin Mexico · data as of 2026-09-22
A shipment of diodes and transistors entering the United States from Mexico is classified under HTS code 8541.29.00 and pays 25% total import duty on its customs value. That is the 0% normal (MFN) rate plus IEEPA country programme, which is a separate heading in Chapter 99 of the tariff schedule. The duty is worked out on the customs value of the goods, which is normally what you paid for them; freight, insurance, customs brokerage and any merchandise processing fee come on top and are not included in the figure above.
| Layer | Heading | Rate | As the schedule words it |
|---|---|---|---|
| Normal duty (MFN, column 1-General) | 8541.29.00 | 0% | Free |
| IEEPA country programme | 9903.01.01 | 25% | The duty provided in the applicable subheading + 25% |
| Total | 25% | ||
8541.29.00.The normal duty is the column 1-General rate the Harmonized Tariff Schedule sets for this code. Every country the United States trades with normally pays it unless a trade agreement or a preference programme says otherwise.
The IEEPA duty is a country programme added under emergency economic powers. It is charged on top of the normal rate and is keyed to the country of origin, not to the product.
Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), whether or not assembled with other light-emitting diodes (LED); mounted piezo-electric crystals; parts thereof: > Transistors, other than photosensitive transistors: > Other
This page is information, not legal or customs advice. The final classification and the duty owed are decided by U.S. Customs and Border Protection at entry. All products · Classify a whole list (free during beta)