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9022.90.40.00/X-Ray Tube Cathode Assembly/Japan

X-Ray Tube Cathode Assembly from Japan

Complete cathode unit with focusing cup and filament for electron beam generation in diagnostic X-ray tubes. Designed for 100-150kV operation in mammography systems. Principal X-ray tube part under HTS 9022.90.40.00.

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

• Specify focal spot sizes (0.1-1.0mm); provide emission current curves; FDA reporting for medical device parts