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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify filament voltage (6.3V typical); include life testing data; distinguish from generic vacuum tube heaters