8540.89.00/Magnetron Injection-Locked Tube/Japan

Magnetron Injection-Locked Tube from Japan

Phase-locked magnetron tubes for coherent microwave power combining in radar systems. Classified under HTS 8540.89.00 as specialized thermionic tubes with injection locking circuitry for phase control.

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%

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Import Tips

• Injection locking bandwidth and phase noise specifications documented

• Military specifications (MIL-STD) often apply; verify defense certifications

• Distinguish from standard magnetrons by phase-locking feature