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8540.91.50.00/Electron Gun Cathode Heater Assembly/Japan

Electron Gun Cathode Heater Assembly from Japan

Tungsten filament heater coil assembly that thermionically emits electrons from cathode in CRT electron guns. Oxide-coated for longevity. 8540.91.50.00 classification.

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

• Specify filament voltage (6.3V typical); include life testing data; distinguish from generic vacuum tube heaters

Electron Gun Cathode Heater Assembly from Japan — Import Duty Rate | HTS 8540.91.50.00