Power Supply Control Quartz 600 kHz from Mexico
600 kHz quartz crystals for SMPS (switch-mode power supply) controller timing in consumer and industrial PSUs. Mounted piezoelectric design fits HTS 8541.60.00.20 for low-frequency operation below 1 MHz.
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
• Duty cycle and frequency specs confirm SMPS controller application
• EMC test reports support electrical characteristics declaration
• High-volume import - consider bonded warehouse options