# HTS 8541: 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:

https://geopax.app/tariffs/catalog/85/8541

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=8541). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 8541: 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:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 8541 | 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: |  |  |  |  |
| 8541.10.00 |   Diodes, other than photosensitive or light-emitting diodes (LED) | Free |  | 35% |  |
| 8541.10.00.40 |     Unmounted chips, dice and wafers | Free |  | 35% | No. |
|  |     Other: | Free |  | 35% |  |
| 8541.10.00.50 |       Zener | Free |  | 35% | No. |
| 8541.10.00.60 |       Microwave | Free |  | 35% | No. |
|  |       Other: | Free |  | 35% |  |
| 8541.10.00.70 |         With a maximum current of 0.5 A or less | Free |  | 35% | No. |
| 8541.10.00.80 |         Other | Free |  | 35% | No. |
|  |   Transistors, other than photosensitive transistors: |  |  |  |  |
| 8541.21.00 |     With a dissipation rate of less than 1 W | Free |  | 35% |  |
| 8541.21.00.40 |       Unmounted chips, dice and wafers | Free |  | 35% | No. |
|  |       Other: | Free |  | 35% |  |
| 8541.21.00.75 |         With an operating frequency not less than 100 MHz | Free |  | 35% | No. |
| 8541.21.00.95 |         Other | Free |  | 35% | No. |
| 8541.29.00 |     Other | Free |  | 35% |  |
| 8541.29.00.40 |       Unmounted chips, dice and wafers | Free |  | 35% | No. |
|  |       Other: | Free |  | 35% |  |
| 8541.29.00.55 |         With an operating frequency less than 30 MHz | Free |  | 35% | No. |
| 8541.29.00.65 |         With an operating frequency 30 MHz or greater but less than 30,000 MHz | Free |  | 35% | No. |
| 8541.29.00.85 |         With an operating frequency 30,000 MHz or greater | Free |  | 35% | No. |
| 8541.30.00 |   Thyristors, diacs and triacs, other than photosensitive devices | Free |  | 35% |  |
| 8541.30.00.40 |     Unmounted chips, dice and wafers | Free |  | 35% | No. |
| 8541.30.00.80 |     Other | Free |  | 35% | No. |
|  |   Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED): |  |  |  |  |
| 8541.41.00.00 |     Light-emitting diodes (LED) | Free |  | 20% | No. |
| 8541.42.00 |     Photovoltaic cells not assembled in modules or made up into panels | Free |  | 35% |  |
| 8541.42.00.10 |       Crystalline silicon photovoltaic cells of a kind described in statistical note 12 to this chapter | Free |  | 35% | No., W |
| 8541.42.00.80 |       Other | Free |  | 35% | No., W |
| 8541.43.00 |     Photovoltaic cells assembled in modules or made up into panels | Free |  | 35% |  |
| 8541.43.00.10 |       Crystalline silicon photovoltaic cells of a kind described in statistical note 12 to this chapter | Free |  | 35% | No., W |
| 8541.43.00.80 |       Other | Free |  | 35% | No., W |
| 8541.49 |     Other: |  |  |  |  |
| 8541.49.10 |       Other diodes | Free |  | 35% |  |
| 8541.49.10.10 |         Unmounted chips, dice and wafers | Free |  | 35% | No. |
| 8541.49.10.50 |         Other | Free |  | 35% | No. |
| 8541.49.70 |       Transistors | Free |  | 35% |  |
| 8541.49.70.40 |         Unmounted chips, dice and wafers | Free |  | 35% | No. |
| 8541.49.70.80 |         Other | Free |  | 35% | No. |
|  |       Other: |  |  |  |  |
| 8541.49.80.00 |         Optical coupled isolators | Free |  | 35% | No. |
| 8541.49.95.00 |         Other | Free |  | 35% | No. |
|  |   Other semiconductor devices: |  |  |  |  |
| 8541.51.00.00 |     Semiconductor-based transducers | Free |  | 35% | No. |
| 8541.59.00 |     Other | Free |  | 35% |  |
| 8541.59.00.40 |       Unmounted chips, dice and wafers | Free |  | 35% | No. |
| 8541.59.00.80 |       Other | Free |  | 35% | No. |
| 8541.60.00 |   Mounted piezoelectric crystals | Free |  | 35% |  |
|  |     Quartz designed for operating frequencies of: | Free |  | 35% |  |
| 8541.60.00.10 |       32.768 kHz | Free |  | 35% | No. |
| 8541.60.00.20 |       Not exceeding 1 MHz, except 32.768 kHz | Free |  | 35% | No. |
| 8541.60.00.30 |       Exceeding 1 MHz, but not exceeding 5 MHZ | Free |  | 35% | No. |
| 8541.60.00.50 |       Exceeding 5 MHZ, but not exceeding 20 MHz | Free |  | 35% | No. |
| 8541.60.00.60 |       Exceeding 20 MHZ | Free |  | 35% | No. |
| 8541.60.00.80 |     Other | Free |  | 35% | No. |
| 8541.90.00 |   Parts | Free |  | 35% |  |
| 8541.90.00.10 |     Frames for photovoltaic cells assembled in modules or made up into panels (as covered by subheading 8541.43.00) | Free |  | 35% | No. |
| 8541.90.00.80 |     Other | Free |  | 35% | No. |