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.
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 copper articles
Copper plates without rectifier-specific machining fall under Chapter 74.
If bobbin assemblies specifically
Certain identified assemblies have separate stats, but heat spreaders remain 'other'.
If for industrial machinery broadly
Unspecified electrical machinery parts may classify under 8479 if not 8504-specific.
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
• Certify thermal conductivity (>200 W/mK) and diode mounting compatibility
• Distinguish from semiconductor devices (8541) by emphasizing passive heat function
• High-value items need detailed invoices to match declared transformer part status
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.
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.