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8540.20.40.00/Photocathode Image Converter Tube/Japan

Photocathode Image Converter Tube from Japan

Image converter tubes directly transform IR/UV photons via photocathodes to visible spectrum electrons for spectrum conversion. HTS 8540.20.4000 explicitly includes image converters as other photocathode tubes. Applied in scientific spectroscopy and covert surveillance.

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

• Spectral response range documentation essential; avoids thermal imaging classification

• Research institution imports may qualify for duty exemptions

Photocathode Image Converter Tube from Japan — Import Duty Rate | HTS 8540.20.40.00