SFH618A-2 Phototransistor Optocoupler from China
SFH618A-2 optical isolator combines AlGaAs infrared emitter with phototransistor in SMD package, providing 5.3kV isolation. Classified HTS 8541.49.80.00 for optical coupling in SMPS feedback circuits and microprocessor interfaces. High CTR stability makes it ideal for precise current sensing applications.
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
• SMD package dimensions and pin configuration drawings essential for proper HTS verification
• Specify AlGaAs emitter material and phototransistor output to distinguish from LED-only devices
• Creepage/clearance distance certifications required for high-voltage isolation claims