Hydrogen Thyratron Switching Tube from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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