FOD817 Silicon Phototransistor Optocoupler from China
FOD817 uses silicon phototransistor coupled to high-reliability AlGaAs LED for 5kV isolation in telecom line interfaces. Classified under HTS 8541.49.80.00 as optical coupled isolator for ringing detection and hookswitch circuits. Extended industrial temperature operation (-40°C to +85°C).
Duty Rate — China → United States
50%
Rate breakdown
9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Telecom application circuit examples aid CBP classification determination
• AlGaAs vs GaAs emitter efficiency specs relevant for photosensitive device verification
• UL1577 safety certification documentation recommended for high-volume imports