KEMET T491 Series Tantalum Capacitor Metal Case
The KEMET T491 is a surface-mount tantalum electrolytic capacitor in a robust metal case, rated at 10µF 35V, designed for high-reliability applications like avionics. It falls under HTS 8532.21.00.20 as a fixed tantalum capacitor specifically housed in a metal case. The metal enclosure provides superior shielding and durability compared to polymer or plastic cases.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in a polymer case instead of metal
Polymer-cased tantalum capacitors are classified separately from metal-cased ones under the same tantalum heading.
If made with multilayer ceramic dielectric rather than tantalum
Ceramic fixed capacitors, even in metal cases, fall under the 'other fixed capacitors' category outside tantalum.
If imported as part of a complete electronic module or circuit board
When assembled into larger apparatus, capacitors may be classified by the function of the complete article.
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Import Tips & Compliance
• Verify capacitance, voltage rating, and ESR values match datasheet specs for customs declaration to avoid misclassification
• Include RoHS compliance certificates and material safety data sheets, as tantalum capacitors may contain hazardous substances
Related Products under HTS 8532.21.00.20
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Vishay Sprague 195D series offers radial leaded tantalum capacitors in metal cases, such as 195D105X0035S2B, rated 1µF at 35V for industrial power supplies. HTS 8532.21.00.20 applies to these fixed tantalum capacitors with metal case construction. Provides excellent stability in high-temperature environments.
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Kyocera AVX TBJA475K025CBMB is a 4.7µF 25V polymer-tantalum hybrid in precision metal case for telecommunications gear. Classified HTS 8532.21.00.20 for its fixed tantalum metal case design despite polymer cathode. Offers extended voltage derating capabilities.
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