Resettable PTC Polymeric Fuse from Japan
A polymeric positive temperature coefficient (PTC) device that acts as a resettable fuse, increasing resistance under overcurrent to limit flow, then resetting when cooled. Used in battery protection and power supplies under 1,000V. Classified as a fuse under HTS 8536.10.00 for its overcurrent protection function.
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
• Document the device's resettable nature but emphasize its fuse-like overcurrent protection to avoid reclassification
• Include trip current and hold current specifications in import documentation
• Ensure packaging clearly distinguishes from non-resettable fuses to prevent confusion during inspection