Hydrogen Thyratron Pulse Modulator Tube
A hydrogen thyratron is a gas-filled tube containing hydrogen gas at low pressure, designed for high-speed, repetitive high-voltage switching in pulse power applications like radar modulators. It is classified here as an 'other' gas-filled tube optimized for fast recovery.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the hydrogen gas fill and pulse-switching function to support classification under this item
• Ensure the tube is not part of a complete modulator system
• Verify if the tube meets any safety standards for high-voltage components
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