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As the world leader in circuit protection, we offer the industry's most extensive product portfolio and a staff of technology experts who are dedicated to helping you find the right answer to your design or manufacturing challenge.

The Littelfuse Catalog and Literature app for iPhone and iPad gives you instant access to the complete Littelfuse offering of power fuses, fuse holders, protection relays and controls products. Access literature and other materials, such as product videos, training and direct website links!

Available Catalogs
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