Littelfuse 312 Series Glass Cartridge Fuse from Mexico
The Littelfuse 312 series is a 3AG fast-acting glass cartridge fuse rated for voltages up to 250V and currents from 0.1A to 20A, designed for overcurrent protection in electronic circuits. It features a glass tube with metal end caps, fitting the HTS 8536.10.00.20 classification as a glass cartridge fuse for voltages not exceeding 1,000V. Commonly used in power supplies and automotive electronics.
Duty Rate — Mexico → United States
12.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify fuse voltage rating does not exceed 1,000V and confirm glass cartridge construction via manufacturer specs to match HTS 8536.10.00.20
• Include detailed technical datasheets showing amperage, speed (fast-acting), and end-use in customs documentation to avoid misclassification