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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify filament voltage (6.3V typical); include life testing data; distinguish from generic vacuum tube heaters