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L3Harris X-Band Multi-Beam Klystron from Japan

L3Harris multi-beam klystron (MBK) achieves 100 kW CW at 9-10 GHz for electronic warfare jamming systems in military aircraft. HTS 8540.79.10.00 covers this advanced klystron variant using multiple electron beams for efficiency in high-duty cycle operations. Specifically named as klystron microwave tube.

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

Strict ITAR licensing required; provide DDTC registration in import docs

Technical drawings must confirm klystron cavity structure vs

TWT alternatives

L3Harris X-Band Multi-Beam Klystron from Japan — Import Duty Rate | HTS 8540.79.10.00