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Flight Data Recorder Power Supply PCA from Mexico

Printed circuit assembly providing regulated power distribution to FDR components, with redundant circuits and EMI filtering for aircraft 28VDC systems. Ensures continuous operation during flight emergencies. Classified as FDR subassembly under 8543.90.1500 due to multi-part construction for black box power management.

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

Include DO-160 environmental qualification certificates for power supply performance

Specify input voltage range and output specifications in commercial invoices

Beware of reclassification as general power supplies under 8504 if not FDR-specific