Optically Coupled Insulated Thyristor AC Switch TLP3121 from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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