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8540.89.00.80/Storage Tube Memory Device/Canada

Storage Tube Memory Device from Canada

Electrostatic vacuum tube storing binary data as charge patterns on dielectric surface, read/written by electron beam. Rare computer memory technology classified under HTS 8540.89.00.80 as other tubes.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Historical artifact declaration may qualify for duty-free museum entry (9705)

• Prove functionality vs scrap status to avoid 8549 classification

• Documentation must show electron beam addressing vs solid-state memory