9947.00.00

Articles and materials for use in the manufacture of diodes, transistors and similar semiconductor devices, photosensitive semiconductor devices (including photovoltaic cells whether or not assembled in modules or made up into panels), light emitting diodes, mounted piezo-electric crystals or electronic integrated circuits and microassemblies;

Canada Tariff Code 9947.00.00 falls under HS subheading 994700. Preferential rates, trade remedies and other duties can change what you actually pay.