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.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a complete wound transformer
Complete transformers with windings fall under heading 8504 as finished goods, not parts.
If generic iron laminations not transformer-specific
General iron or steel laminations without electrical transformer design shift to Chapter 73.
If specifically identified as rectifier or converter parts
More specific subheadings like 8504.90.25 apply to parts dedicated to rectifiers over the residual 'other' category.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the part is solely for transformers/static converters via manufacturer specs to avoid reclassification as general metal parts
• Include detailed engineering drawings and end-use certificates in documentation to prove HTS 8504 applicability
• Watch for undervaluation pitfalls; cores often require separate valuation from complete units
Related Products 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.
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.