HS 8540 – Thermionic, cold cathode or photo-cathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray tubes, television camera tubes).
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Thermionic, cold cathode or photo-cathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray tubes, television camera tubes).
Subheadings
Child tariff lines and MFN rates
| HS code | Description | MFN rate |
|---|---|---|
| 8540-11 – Colour | MFN Free | |
| 8540-11-11-00 | With a video display diagonal not exceeding 35.56 cm | Free |
| 8540-11-12-00 | With a video display diagonal exceeding 35.56 cm | Free |
| 8540-11-21-00 | With a video display diagonal not exceeding 35.56 cm | Free |
| 8540-11-22-00 | With a video display diagonal exceeding 35.56 cm | Free |
| 8540-11-90-00 | Other | Free |
| 8540-12 – Monochrome | MFN Free | |
| 8540-12-11-00 | For use in the manufacture of video monitors; For use in the manufacture of high definition colour television receivers, projection type | Free |
| 8540-12-19-00 | Other | Free |
| 8540-12-91-00 | For use in the manufacture of video monitors; For use in the manufacture of other colour television receivers, projection type | Free |
| 8540-12-99-00 | Other | Free |
| 8540-20 – Television camera tubes; image converters and intensifiers; other photo-cathode tubes | MFN Free | |
| 8540-20-00-00 | Television camera tubes; image converters and intensifiers; other photo-cathode tubes | Free |
| 8540-40 – Data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4 mm | MFN Free | |
| 8540-40-00-00 | Data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4 mm | Free |
| 8540-60 – Other cathode-ray tubes | MFN Free | |
| 8540-60-00-00 | Other cathode-ray tubes | Free |
| 8540-71 – Magnetrons | MFN Free | |
| 8540-71-00-00 | Magnetrons | Free |
| 8540-79 – Other | MFN Free | |
| 8540-79-00-00 | Other | Free |
| 8540-81 – Receiver or amplifier valves and tubes | MFN Free | |
| 8540-81-00-00 | Receiver or amplifier valves and tubes | Free |
| 8540-89 – Other | MFN Free | |
| 8540-89-00-00 | Other | Free |
| 8540-91 – Of cathode-ray tubes | MFN Free | |
| 8540-91-10-00 | Front panel assemblies as follows: (a) with respect to colour cathode-ray television picture tube, an assembly that consists of a glass panel to which a sha... | Free |
| 8540-91-90-00 | Other | Free |
| 8540-99 – Other | MFN Free | |
| 8540-99-10-00 | Electron guns; Radio frequency (RF) interaction structures for microwave tubes of subheading 8540.71, 8540.72 or 8540.79 | Free |
| 8540-99-90-00 | Other | Free |
Top importers in this heading
106 Canadian companies imported goods under heading 85.40 according to the CBSA Canadian Importers Database, 2023 data.
Most frequent importers
- HORIBA CANADA, INC. - Ontario - 3 codes
- AGILENT TECHNOLOGIES CANADA INC - Ontario - 2 codes
- ELEKTA LTD. ELEKTA LTEE - Quebec - 2 codes
- MEVEX CORPORATION - Ontario - 2 codes
- MIRION TECHNOLOGIES CANBERRACA LTD. - Ontario - 2 codes
- PROTO MANUFACTURING LIMITED - Ontario - 2 codes
- STANDARD BIOTOOLS CANADA INC. - Ontario - 2 codes
- THETUBESTORE INC. - Ontario - 2 codes
- TRUMPF, INC. - Connecticut - 2 codes
- VARIAN MEDICAL SYSTEMS, INC. - California - 2 codes