Hydrogen Thyratron Switching Tube from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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