Optically Coupled Insulated Thyristor AC Switch TLP3121 from Japan
The TLP3121 is an insulated thyristor AC switch with optically coupled input and output circuits, designed for reliable switching of AC loads up to 600V. It falls under HTS 8536.50.70.00 due to its optical isolation between control and power circuits, providing high noise immunity for industrial applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify optical isolation specifications in technical datasheets to confirm classification under 8536.50.70.00,Include RoHS compliance documentation as these components are often used in consumer electronics,Avoid misclassification as simple relays (8536.41) by documenting the thyristor and optical coupling features