2N2222 NPN Transistor
The 2N2222 is a general-purpose NPN bipolar junction transistor used for switching and amplification in electronic circuits. Classified under HTS 8541.59.00 as an 'other semiconductor device' (transistor) excluding photosensitive or LED types. Widely used in hobbyist projects, audio amplifiers, and RF applications.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If transistor is photosensitive type
Phototransistors responding to light fall under photosensitive semiconductor devices.
If memory type semiconductor device
Digital monolithic integrated circuits shift classification regardless of transistor function.
If assembled into complete electronic module
Devices mounted with other components become electrical apparatus rather than discrete semiconductors.
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Import Tips & Compliance
• Declare transistor type (NPN/PNP), gain (hFE), and voltage ratings accurately on commercial invoice
• Provide lot traceability numbers for quality control and counterfeit prevention
• Avoid classifying as 'photosensitive' if paired with phototransistor functions
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