Resettable PTC Polymeric Fuse from Canada
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 — Canada → United States
12.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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