Switch Mode Power Supply Transformer Core
Ferrite core assembly for high-frequency transformers in switch-mode power supplies (SMPS), a static converter type. Falls under HTS 8504.90.96.50 as it is integral to the conversion process in SMPS units.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cores for power transformers (not static converters)
Transformer parts are separated from static converter parts in 8504.90.
If iron cores without SMPS specification
General electrical cores classify differently within the parts heading.
If waste or scrap electrical cores
Used or defective cores fall under electrical waste provisions.
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Import Tips & Compliance
• Include frequency response data (kHz range) to distinguish from low-frequency transformer cores
• Use HTS advisory rulings for borderline core designs
• Bundle with winding specs if applicable to prove SMPS specificity
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