Low-Noise Amplifier Transistor Chip
Unmounted silicon chips of low-noise transistors designed for audio and RF preamplifiers with dissipation under 1W, used in hearing aids and professional audio equipment. Classified in HTS 8541.21.00.40 for unmounted transistor dice.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If assembled into complete microphone amplifier units
Complete audio frequency amplifiers classify under heading 8518.
If for other electrical machines not elsewhere specified
Specialized dice for certain electrical equipment may use this catch-all.
If for medical instrument applications like hearing aids
Transistor dice integral to medical devices may classify with the instruments.
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Import Tips & Compliance
• Provide noise figure and gain specifications to support <1W dissipation classification
• Use nitrogen-purged, vacuum-sealed packaging to prevent oxidation during transit
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