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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

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7419Lower: 10% vs 35%

If generic copper articles

Copper plates without rectifier-specific machining fall under Chapter 74.

8504.90Same rate: 35%

If bobbin assemblies specifically

Certain identified assemblies have separate stats, but heat spreaders remain 'other'.

8479.89.65Lower: 22.5% vs 35%

If for industrial machinery broadly

Unspecified electrical machinery parts may classify under 8479 if not 8504-specific.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

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