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8540.89.00.80/Hydrogen Thyratron Switching Tube/Japan

Hydrogen Thyratron Switching Tube from Japan

Gas-filled switching tube using hydrogen for fast high-power pulse generation in radar and pulsed power systems. Covered by HTS 8540.89.00.80 as other gas-filled tubes.

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

• High-voltage safety data sheets required; specify peak voltage/current ratings

• Defense applications need munitions list review for ITAR classification

• Avoid reclassification as ignitron (8540.71) by documenting hydrogen fill

Hydrogen Thyratron Switching Tube from Japan — Import Duty Rate | HTS 8540.89.00.80