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

Duty Rate (from China)

35%
MFN Base RateFree
9903.03.01+10%

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

9903.88.01+25%

Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Total Effective Rate35%

Subheadings

8504.90.96.10For transformers
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8504.90.96.30Other
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8504.90.96.34Laminations for incorporation into stacked cores
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8504.90.96.38Stacked cores for incorporation into transformers
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8504.90.96.42Wound cores for incorporation into transformers
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8504.90.96.46Other
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8504.90.96.50Of static converters
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8504.90.96.90Other
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Products classified under HTS 8504.90.96

Power Inductor Mounting Frame

Die-cast aluminum frame for securing power inductors in server power supplies. As an inductor part under electrical transformers heading, it uses HTS 8504.90.96.

Toroidal Transformer Core

A laminated iron core designed specifically for use in toroidal transformers, classified as a part under HTS 8504.90.96 because it is an essential component for power conversion in electrical transformers. It enables efficient magnetic flux linkage in static converters without forming a complete transformer assembly.

Switching Power Supply PCB

Printed circuit board populated with components for switching regulators in static converters. Classified under HTS 8504.90.96 as a dedicated part for electrical transformers and power conversion circuits.

Ferrite Inductor Core

High-permeability ferrite core shaped for use in inductors within electrical power supplies and converters. HTS 8504.90.96 applies as it is a part thereof, enabling energy storage in static conversion circuits.

Rectifier Diode Heat Spreader

Copper-molybdenum heat spreader plate for high-power rectifier diodes in static converters. Classified as HTS 8504.90.96 part due to its role in thermal management for power rectification transformers.

High-Frequency Transformer Shield

Mu-metal shield can for EMI suppression in high-frequency transformers used in switch-mode power supplies. As a specialized part, it falls under HTS 8504.90.96 for transformer protection.

Static Converter Control Board

Microcontroller-based PCB for PWM control in static frequency converters. HTS 8504.90.96 classifies it as an 'other' part integral to converter operation.

IGBT Power Module Heatsink

Aluminum heatsink assembly for Insulated Gate Bipolar Transistor (IGBT) modules used in static converters like inverters. Falls under HTS 8504.90.96 as a dedicated part for thermal management in power electronics transformers and converters.

Transformer Bobbin Assembly

Plastic bobbin with integrated terminals for winding transformer coils in power converters. As a specialized part for electrical transformers, it qualifies under the 'other parts' of HTS 8504.90.96.

Inverter Snubber Capacitor Bracket

Stamped steel bracket for mounting snubber capacitors in inverter static converters. HTS 8504.90.96 covers this as an 'other' part essential for voltage spike suppression in power electronics.