Optocoupler PC817
The PC817 optocoupler combines infrared LED with phototransistor for electrical isolation in digital circuits. While containing LED, classified under HTS 8541.59.00.80 as semiconductor device emphasizing isolation function over light emission. Prevents high voltage crossover.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily as LED device
Optocouplers emphasizing LED function may shift to light-emitting diode subheading
If as electrical apparatus part
Parts of electrical apparatus sometimes encompass optocouplers under broader 8543.70
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Import Tips & Compliance
• Isolation voltage rating must match datasheet; common in telecom imports - check ITU compliance; package in anti-static tubes
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