Smoke Density Photodiode
> An infrared photodiode for smoke obscuration measurement in fire alarm systems, detecting light attenuation in duct smoke detectors and clean room monitors. This photosensitive semiconductor diode is classified under 8541.49.00 as a photosensitive diode other than photovoltaics or LEDs.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the photodiode is integrated with signal conditioning circuits
Integrated photosensitive devices may be classified under other subheadings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• > Confirm the photodiode is not part of a complete smoke detector, which would be classified under fire alarm equipment
• Provide spectral response data to demonstrate the photosensitive function
• Check if the end-use in fire safety requires additional certifications
Related Products under Tariff item 8541.49.00
Ambient Light Sensor Diode
> A silicon photodiode designed to sense ambient light levels for automatic brightness control in smartphone displays and backlighting systems. It mimics the human eye response to provide accurate illumination measurement, falling under tariff item 8541.49.00 as a photosensitive semiconductor diode other than photovoltaic cells or LEDs.
APD Avalanche Photodiode
> An avalanche photodiode with internal gain amplification, used for low-light detection in LIDAR systems and scientific instrumentation. This semiconductor diode operates under reverse bias to multiply photocurrent, classifying it under 8541.49.00 as a photosensitive semiconductor device other than photovoltaics or LEDs.
Barcode Scanner Photodiode
> A linear photodiode array used in laser barcode scanners to collect reflected light and convert it into electrical signals for decoding. This photosensitive semiconductor diode array falls under tariff item 8541.49.00 as it is not a photovoltaic cell or LED, and is essential for retail scanning applications.
Color Sensor Photodiode
> An RGB photodiode array with three filtered channels for color verification in printing and quality control. This photosensitive semiconductor device detects red, green, and blue light components, classifying it under 8541.49.00 as a photosensitive diode other than photovoltaics or LEDs.
Fiber Optic PIN Diode
> A high-speed PIN photodiode designed for 10Gbps fiber optic receiver modules in telecommunications. This photosensitive semiconductor diode converts optical signals to electrical current, and is classified under 8541.49.00 as a photosensitive diode other than photovoltaics or LEDs.
Flame Detection Photodiode
> A UV-sensitive photodiode used for industrial flame detection in furnaces and burners. This photosensitive semiconductor diode responds specifically to ultraviolet flame emissions, and is classified under 8541.49.00 as a photosensitive diode other than photovoltaics or LEDs.