L3Harris X-Band Multi-Beam Klystron from China
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 — China → United States
40.8%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Strict ITAR licensing required; provide DDTC registration in import docs
• Technical drawings must confirm klystron cavity structure vs
• TWT alternatives