Littelfuse iDesignTM Tool, a robust, web-based tool to help circuit designers identify the most appropriate solutions for their circuit protection applications.

The iDesignTM tool, the first of its kind available from a circuit protection device supplier, offers a fast, intuitive way to identify the best component for an application, find parts documentation, and order part samples for prototyping... all in one convenient package!

The iDesign tool currently supports board-mounted fuses and TVS Diode Arrays (SPA® silicon protection arrays) used in a wide variety of applications. The iDesign tool's flexibility will allow Littelfuse to incorporate additional circuit protection devices in the future, so be sure to check back often!

Welcome to Littelfuse. The world's #1 brand in circuit protection solutions.

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