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