Silicon Photodiode Chip
Unmounted silicon chip designed as a photosensitive semiconductor device for converting light into electrical current. Classified under 8541.49.70.40 as an unmounted photosensitive transistor chip used in optical sensors and detectors. Lacks packaging or mounting, qualifying it as a raw die or wafer form.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mounted or assembled into packages
Mounted photosensitive semiconductor devices shift to 8541.41, excluding unmounted chips, dice, or wafers.
If for processors or memory function rather than photosensitive
Chips functioning primarily as electronic integrated circuits for data processing fall under Chapter 85 heading 8542.
If sold as parts of complete semiconductor assemblies
Parts of photosensitive devices are classified separately under 8541.90 if not qualifying as unmounted chips.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide detailed specifications confirming unmounted status and photosensitive transistor function to avoid misclassification as mounted devices
• Include Certificates of Origin and wafer fab documentation to qualify for preferential tariff treatments under trade agreements
• Ensure ESD-safe packaging and labeling to prevent damage during transit, a common pitfall in semiconductor imports
Related Products under HTS 8541.49.70.40
GaAs Phototransistor Die
Gallium Arsenide (GaAs) unmounted die functioning as a photosensitive transistor for high-speed light detection. Falls under 8541.49.70.40 due to its unmounted chip form and transistor-based photosensitivity for telecom and sensing applications.
CCD Image Sensor Wafer
Unprocessed silicon wafer containing multiple Charge-Coupled Device (CCD) photosensitive transistor chips for imaging applications. Classified in 8541.49.70.40 as unmounted wafers of photosensitive semiconductor transistors before dicing.
CMOS Phototransistor Chip
Unmounted CMOS-based photosensitive transistor chip for low-light detection in consumer electronics. Meets 8541.49.70.40 as an unpackaged die with transistor photosensitivity for ambient light sensors.
InGaAs Photodiode Wafer
Indium Gallium Arsenide wafer of unmounted photosensitive transistor dice for near-infrared detection. Under 8541.49.70.40 for its raw wafer form used in fiber optic and spectroscopy.
SiC UV Phototransistor Die
Silicon Carbide unmounted die as photosensitive transistor for ultraviolet light sensing. Fits 8541.49.70.40 criteria for unmounted chips in harsh environment detectors.
Quantum Dot Photodetector Chip
Unmounted chip with quantum dot-enhanced photosensitive transistors for broad-spectrum detection. Classified 8541.49.70.40 as innovative unmounted photosensitive semiconductor dice.