Piezoelectric Crystal Oscillators Housings from China
Metal housings designed to encase mounted piezoelectric crystals for frequency control. Parts of piezo-electric crystals under 8541.90.00. Provide hermetic sealing and vibration isolation.
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
• Include crystal mounting specifications and hermetic seal test data
• Distinguish from general electronic component housings
• Verify frequency stability specs relevant to Chapter 85 classification