Electron Gun Cathode Heater Assembly from Canada

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 — Canada → United States

15.4%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

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