# United States tariff line 8541.49.10.10: Unmounted chips, dice and wafers

> In the United States tariff, line 8541.49.10.10 covers photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), other diodes, unmounted chips, dice and wafers. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8541.49 in heading 85.41 (chapter 85).

Source: https://border.bot/countries/united-states/hs-codes/8541491010
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 85](https://border.bot/countries/united-states/hs-codes/85) / [8541.49](https://border.bot/countries/united-states/hs-codes/854149) / [8541.49.10.10](https://border.bot/countries/united-states/hs-codes/8541491010)

## Key facts

- Tariff line: 8541.49.10.10
- Covers: Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), other diodes, unmounted chips, dice and wafers
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [8541.49](https://border.bot/hs-codes/854149)

## What this line covers

In the United States tariff, line 8541.49.10.10 covers photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), other diodes, unmounted chips, dice and wafers.

Its legal text is “Unmounted chips, dice and wafers”, read under “Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED)”, “Other” and “Other diodes”.

## How it is structured

It falls under HS subheading 8541.49 in heading 85.41 (chapter 85). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
- Heading 85.41: 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
- Subheading 8541.49: Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED)
- Within the subheading: Other
- Within the subheading: Other diodes
- Line 8541.49.10.10: Unmounted chips, dice and wafers

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 8541.49.10.

## In other countries

No other national tariff on border.bot has live lines under 8541.49 yet.

- [The Harmonized System text for 8541.49](https://border.bot/hs-codes/854149)

## Other lines under 8541.49

- [8541.49.10.50](https://border.bot/countries/united-states/hs-codes/8541491050) Other
- [8541.49.70.40](https://border.bot/countries/united-states/hs-codes/8541497040) Unmounted chips, dice and wafers
- [8541.49.70.80](https://border.bot/countries/united-states/hs-codes/8541497080) Other
- [8541.49.80.00](https://border.bot/countries/united-states/hs-codes/8541498000) Optical coupled isolators
- [8541.49.95.00](https://border.bot/countries/united-states/hs-codes/8541499500) Other

- Previous line: [8541.43.00.80](https://border.bot/countries/united-states/hs-codes/8541430080) Other
- Next line: [8541.49.10.50](https://border.bot/countries/united-states/hs-codes/8541491050) Other

## Frequently asked questions

### What does tariff line 8541.49.10.10 cover in the United States tariff?

In the United States tariff, line 8541.49.10.10 covers photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), other diodes, unmounted chips, dice and wafers.

### What is the general (MFN) duty on 8541.49.10.10 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 8541.49.10.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/8541491010.json