03321.25VXP

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fuses are safety components that are primarily used to protect electrical circuits, components and equipment from potentially hazardous overload and short circuits. The 03321.25VXP is a type of successfully thermally-actuated fuse that is small and compact with a low mass. It is primarily used in potting, under-hood and high temperature applications. This article discusses the 03321.25VXP applications and working principles.

Applications

The 03321.25VXP fuse is primarily designed to protect LED lighting systems, power subsystems, battery packs, controllers, solenoids, low voltage and line voltage distribution systems, motors, generators, and other distributed power systems from over current conditions. One of its main practical applications includes the protection of automotive lighting, communications, and entertainment systems against faults that could cause fires and damage to the components.

In addition, its small size, low mass, and high temperature capabilities make it well-suited for use in hostile and high ambient temperature environments and other extreme conditions such as in potting and under-hood applications. It can also be used in other environments such as industrial, aerospace, military, and marine applications, where protection from electrical overloads and electric arcs is essential.

Working Principle

The 03321.25VXP fuse is a thermal-actuated fuse, meaning that it uses heat generated by an increase in current flow within the fuse to activate the fuse. In most cases, increasing the current will lead to an increase in the temperature of the fuse, which causes a change in the fusible element, deactivating the fuse and preventing the circuit from further increasing the current flow.

The 03321.25VXP fuse includes a temperature-responsive element such as a semiconductor or a polymer-based material that is heated by increasing current flow, causing it to expand and eventually disconnect the circuit. The temperature-responsive element is protected by the fuse body, which not only contains the temperature-responsive element but also serves to contain any arc generated by the current flow when the fuse is activated.

In addition to protecting against short circuits, the 03321.25VXP fuse includes an additional feature that allows it to protect against over-current conditions. This feature is the time delay, which prevents the fuse from activating due to small increases in current that do not produce enough heat to activate the fuse before the overload is removed.

The 03321.25VXP fuse provides reliable service under a wide range of temperatures and is UL listed to 198°C or 250V for one-time fusing protection. Its ability to protect against electrical overloads and electric arcs combined with its small size make it a reliable and safe component for many applications.

The specific data is subject to PDF, and the above content is for reference