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.
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 generic plastic molded parts
Plastic articles not dedicated to transformers classify under heading 3926.
If laminated cores or identifiable cores
Specific core parts have dedicated subheadings, unlike bobbins in 'other'.
If primarily electrical connectors
Bobbin-terminal combos dominated by connection function shift to 8536.
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
• Provide bobbin pinout diagrams and winding specs to prove transformer-specific design
• Plastic content requires accurate material declaration to avoid Chapter 39 plastics ruling
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.
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.