North American Industry Classification System
U.S. imports of capacitors, resistors, coils, transformers & other inductors (NAICS 334416) totaled $562.3M in July 2026, traded with 94 countries.
Importers of Capacitors, Resistors, Coils, Transformers & Other Inductors paid $62.3M in duties in July 2026 — an effective duty rate of 17% on $371.0M in dutiable value, based on actual customs collections rather than the published tariff schedule. Capacitors, Resistors, Coils, Transformers & Other Inductors imports of $562.3M in July 2026 ran 13% below the year-to-date monthly average of $644.3M.
Last updated: July 2026 dataPassive electronic components — capacitors, resistors, inductors, and transformers — are high-volume, specification-driven commodities where price competition from Asian manufacturers has historically triggered antidumping investigations, particularly for ceramic capacitors and resistors. These components are classified by electrical characteristic (capacitance, resistance, inductance), dielectric or core material, and power rating, all of which determine the correct HTS subheading and applicable duty. Despite their low unit value, passive components are procurement-critical: a single out-of-spec resistor can cause field failures, making certificate-of-conformance documentation as important to buyers as customs paperwork.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
37.9K shipments/mo
For capacitors, the dielectric material (ceramic, electrolytic, film, tantalum) and capacitance value determine the applicable HTS subheading. For resistors, the type (fixed vs. variable, composition vs. wirewound) and power rating are key. Importers should obtain full technical specifications from manufacturers before classification, as a change in dielectric material or power rating can shift a product to a different subheading with a different duty rate.
Passive components are subject to periodic allocation shortages driven by demand surges in automotive and consumer electronics sectors. Long lead times from offshore manufacturers, combined with the risk of counterfeit components entering the supply chain through gray-market distributors, make supplier qualification and traceability documentation critical. Importers should verify that suppliers are on approved vendor lists and that components carry manufacturer lot traceability.
NAICSSector 33
National industry 4 of 6 in naics industry 33441
National industry 334416 · $562.3M of $22.6B
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Imports · July 2026
origin
Mexico and Japan together supply 42% of it.
customs district
Census does not publish district detail for this classification system.
destination
None recorded for this period.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$562.3MYoY · Pro
Exports
$478.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.