045202.5MRL

The "045202.5MRL" is a specific model of a fuse manufactured by Littelfuse Inc., a well-known company specializing in circuit protection and electronic components. This particular fuse is designed to provide overcurrent protection in various electrical applications, ensuring the safety and reliability of electronic devices and systems.

Detailed Description:

1. Type and Functionality:

   • The 045202.5MRL is a resettable fuse, also known as a Polymeric Positive Temperature Coefficient (PPTC) device. It is designed to protect circuits from overcurrent conditions by increasing its resistance significantly when a fault occurs, thereby limiting the current flow.

2. Physical Characteristics:

   • Form Factor: The fuse typically comes in a compact, surface-mount package, making it suitable for integration into printed circuit boards (PCBs).
   • Dimensions: While specific dimensions may vary, it generally features a small footprint, allowing for space-efficient designs in electronic devices.
   • Color and Markings: The fuse is usually marked with the Littelfuse logo and part number for easy identification.

3. Electrical Ratings:

   • Voltage Rating: The 045202.5MRL is rated for a specific voltage, which indicates the maximum voltage it can handle without breaking down.
   • Current Rating: It has a defined hold current, which is the maximum current the fuse can carry continuously without tripping. Additionally, it has a trip current, which is the level at which the fuse will activate to protect the circuit.

4. Operating Temperature:

   • The fuse operates effectively within a specified temperature range, ensuring reliable performance in various environmental conditions. It is designed to reset automatically once the fault condition is removed and the device cools down.

5. Applications:

   • The 045202.5MRL is suitable for a wide range of applications, including consumer electronics, telecommunications, automotive systems, and industrial equipment. It is particularly useful in devices where space is limited and where overcurrent protection is critical for safety and functionality.

6. Compliance and Standards:

   • Littelfuse products, including the 045202.5MRL, typically comply with various industry standards and regulations, ensuring they meet safety and performance criteria required for electronic components.

7. Installation and Usage:

   • The fuse is designed for easy integration into electronic circuits, with clear guidelines provided by Littelfuse for installation and usage. Proper handling and installation are crucial to ensure optimal performance and reliability.

In summary, the Littelfuse 045202.5MRL is a compact, reliable resettable fuse that provides essential overcurrent protection for a variety of electronic applications, ensuring the safety and longevity of devices in which it is used.