8540.20.40.00/High-Speed Streak Camera Tube/Japan

High-Speed Streak Camera Tube from Japan

Streak camera tubes capture ultra-fast events using photocathodes with time resolution under 50 nanoseconds for ballistics testing. HTS 8540.20.4000 applies to these specialized television camera tubes not meeting digital subheading specs. Used in research and defense applications.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Provide time resolution specs (<50ns) to differentiate from digital cameras; defense imports need DDTC registration

• Common issue: incorrect classification as oscilloscope parts