Smoke Density Photodiode from United States
An infrared photodiode for smoke obscuration measurement in fire alarm systems, detecting light attenuation. It is a photosensitive semiconductor device, not a photovoltaic cell or LED, and falls under tariff item 8541.49.00.
Duty Rate — United States → Canada
0%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Classify the photodiode as a photosensitive semiconductor device for safety applications
• Provide infrared response data for CBSA review
• Verify origin for potential duty-free entry under trade agreements