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Satellite TWT Amplifier Electron Gun from Japan

Specialized electron gun for traveling wave tube amplifiers in satellite transponders. Covered by HTS 8540.99.4000 for microwave tube RF structures/components. Radiation-tolerant design for space environment.

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%

Import Tips

Space-qualified certification (NASA/ESA standards) required for clearance

Export controls under ITAR Category XI; detailed end-user verification

Thermal/vacuum test reports aid customs tech data review