Skip to content
HTSLookup

HTS 8504.90.75Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof:Parts: Other: Printed circuit assemblies: Other

What that translates to:Other circuit assemblies for transformers, converters and inductors

Also written 85049075 or 8504.90.7500. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Other circuit assemblies for transformers, converters and… (HTS 8504.90.75) from China owe 40% in total duties as of Oct 1, 2026: a flat 15% steel, aluminum and copper tariff (Section 232) in place of the Free regular duty, plus a 25% China tariff (Section 301).

Total duty rate40%That's $4,000 on a $10,000 shipment.
Steel, aluminum and copper tariffSection 232, since Apr 6, 202615% flat
China tariffSection 301, since Jul 6, 201825%
Regular dutyBase rate (MFN) in the tariff scheduleFree, not charged
Total duty40%
The steel, aluminum and copper tariff doesn't apply to “Articles provided for in subdivision (c) of U.S. note 16 to this subchapter that do not contain any aluminum, steel, or copper” (HTS 9903.82.01).
The steel, aluminum and copper tariff doesn't apply to “Except for articles classifiable in chapters 72, 73, 74 or 76, articles where the weight of the applicable metal is less than 15 percent of the weight of the imported article” (HTS 9903.82.03).
The China tariff doesn't apply to “Dual layer printed circuit board assemblies, each valued over $30 but not over $35 (described in statistical reporting number 8504.90.7500)” (HTS 9903.88.69).
No forced-labor tariff here: products covered by the steel, aluminum and copper tariff (HTS 9903.82.10) are exempt from it.
The steel, aluminum and copper tariff instead is 10% in place of the regular duty where this applies: “For derivative articles provided for in subdivisions (c)(ii), (vi), and (ix), at least 85 percent of the aluminum content of the article must be composed of aluminum that was smelted and cast in the United States. For derivative articles provided for in subdivisions (c)(iv), (vii), (x) and (xi), at least 85 percent of the steel content of the article must be composed of steel that was melted and poured in the United States. For articles provided for in subdivision (c)(viii), at least 85 percent of the copper content of the article must be composed of copper that was smelt and cast in the United States. These requirements are cumulative such that a derivative article in more than one subdivision must satisfy each requirement” (HTS 9903.82.07).
The steel, aluminum and copper tariff instead adds 200% where this applies: “where any amount of primary aluminum used in the manufacture of the derivative articles is smelted in Russia, or where the derivative aluminum articles are cast in Russia” (HTS 9903.85.68).
Sources: USITC Harmonized Tariff Schedule, Revision 20 (2026); Proclamation 11032 of Jun 1, 2026, Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper Into the United States, 91 FR 34085, Jun 4, 2026; HTS 9903.82.10; USTR, Notice of Action and Request for Public Comment Concerning Proposed Determination of Action Pursuant to Section 301 (List 1, 25% from Jul 6, 2018), 83 FR 28710, Jun 20, 2018; HTS 9903.88.01.

Estimate your duty

Estimated duty—

Importing under HTS 8504.90.75? Talk to a licensed broker

Classification, filing, customs bonds and refund help. CBP publishes the brokers permitted at each port.

Find a licensed broker

Opens CBP's list of permitted customs brokers. We're not paid for this link.

Details for customs filings

Official description

Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof: Parts: Other: Printed circuit assemblies: Other

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), 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.

Statistical lines

The 10-digit numbers used on entry paperwork. They share this code's duty rates.

  • 8504.90.7500 (8504907500)Other · reported in No.

Related codes

8504.90.20 Printed circuit assemblies8504.90.41 Parts, of power supplies for automatic…8504.90.65 Printed circuit assemblies, of the…8504.90.96 Parts, other

What changed for this code

Questions about HTS 8504.90.75

What is the duty rate for HTS 8504.90.75?

The regular (column 1 general) rate printed in the tariff schedule is Free. Goods from China owe 40% in total as of Oct 1, 2026, including any additional tariffs. Additional tariffs depend on the country of origin; choose one above to see its full rate.

Is HTS 8504.90.75 subject to Section 301 tariffs?

Yes, for goods from 2 countries and territories as of Oct 1, 2026: China, Nicaragua. Choose a country above to see the rate and any exemptions.

Is HTS 8504.90.75 subject to Section 232 tariffs?

Yes, for goods from 238 countries and territories as of Oct 1, 2026, including Afghanistan, Åland Islands, Albania, Algeria, Andorra. Choose a country above to see the rate and any exemptions.

HTSLookup shows the duties CBP collects on this code by country of origin. Antidumping or countervailing duties may also apply to some exporters; they're set per company and aren't shown.