United States tariff line 8542.31.00.25: 32-bit
Last updated
Key facts
- Tariff line
- 8542.31.00.25
- Covers
- Electronic integrated circuits, processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits, controllers (including microcontrollers), 32-bit
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 8542.31
Summary
In the United States tariff, line 8542.31.00.25 covers electronic integrated circuits, processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits, controllers (including microcontrollers), 32-bit. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8542.31 in heading 85.42 (chapter 85).
What this line covers
In the United States tariff, line 8542.31.00.25 covers electronic integrated circuits, processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits, controllers (including microcontrollers), 32-bit.
Its legal text is “32-bit”, read under “Electronic integrated circuits”, “Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits” and “Controllers (including microcontrollers)”.
How it is structured
It falls under HS subheading 8542.31 in heading 85.42 (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 85.42
- Electronic integrated circuits; parts thereof
- Subheading 8542.31
- Electronic integrated circuits
- Within the subheading
- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
- Within the subheading
- Controllers (including microcontrollers)
- Line 8542.31.00.25
- 32-bit
Duty
Goods under this line enter free of general (MFN) duty.
The rate is published on 8542.31.00.
Other lines under 8542.31
- 8542.31.00.158-bit
- 8542.31.00.2016-bit
- 8542.31.00.30Other
- 8542.31.00.35Digital signal processors (DSPs)
- 8542.31.00.40Graphics processing units (GPUs)
- 8542.31.00.45Central processing units (CPUs)
- 8542.31.00.50Other
- 8542.31.00.55Complex programmable logic devices (CPLDs)
- 8542.31.00.60Field programmable gate arrays (FPGAs)
- 8542.31.00.65Other
- 8542.31.00.70System on chip (SoCs)
- 8542.31.00.75Other
In other countries
No other national tariff on border.bot has live lines under 8542.31 yet.
Frequently asked questions
What does tariff line 8542.31.00.25 cover in the United States tariff?
In the United States tariff, line 8542.31.00.25 covers electronic integrated circuits, processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits, controllers (including microcontrollers), 32-bit.
What is the general (MFN) duty on 8542.31.00.25 in the United States?
Goods under this line enter free of general (MFN) duty. The rate is published on 8542.31.00.
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: