# United States tariff line 8541.10.00.50: Zener

> In the United States tariff, line 8541.10.00.50 covers diodes, other than photosensitive or light-emitting diodes (LED), zener. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8541.10 in heading 85.41 (chapter 85).

Source: https://border.bot/countries/united-states/hs-codes/8541100050
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) / [8541.10](https://border.bot/countries/united-states/hs-codes/854110) / [8541.10.00.50](https://border.bot/countries/united-states/hs-codes/8541100050)

## Key facts

- Tariff line: 8541.10.00.50
- Covers: Diodes, other than photosensitive or light-emitting diodes (LED), zener
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [8541.10](https://border.bot/hs-codes/854110)

## What this line covers

In the United States tariff, line 8541.10.00.50 covers diodes, other than photosensitive or light-emitting diodes (LED), zener.

Its legal text is “Zener”, read under “Diodes, other than photosensitive or light-emitting diodes (LED)” and “Other”.

## How it is structured

It falls under HS subheading 8541.10 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 8541.10: Diodes, other than photosensitive or light-emitting diodes (LED)
- Within the subheading: Other
- Line 8541.10.00.50: Zener

## Duty

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

The rate is published on 8541.10.00.

## In other countries

No other national tariff on border.bot has live lines under 8541.10 yet.

- [The Harmonized System text for 8541.10](https://border.bot/hs-codes/854110)

## Other lines under 8541.10

- [8541.10.00.40](https://border.bot/countries/united-states/hs-codes/8541100040) Unmounted chips, dice and wafers
- [8541.10.00.60](https://border.bot/countries/united-states/hs-codes/8541100060) Microwave
- [8541.10.00.70](https://border.bot/countries/united-states/hs-codes/8541100070) With a maximum current of 0.5 A or less
- [8541.10.00.80](https://border.bot/countries/united-states/hs-codes/8541100080) Other

- Previous line: [8541.10.00.40](https://border.bot/countries/united-states/hs-codes/8541100040) Unmounted chips, dice and wafers
- Next line: [8541.10.00.60](https://border.bot/countries/united-states/hs-codes/8541100060) Microwave

## Frequently asked questions

### What does tariff line 8541.10.00.50 cover in the United States tariff?

In the United States tariff, line 8541.10.00.50 covers diodes, other than photosensitive or light-emitting diodes (LED), zener.

### What is the general (MFN) duty on 8541.10.00.50 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 8541.10.00.

## 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/8541100050.json