1812L050PR

The 1812L050PR is a surface-mount fuse manufactured by Littelfuse Inc., designed to provide overcurrent protection in electronic circuits. Here’s a detailed description of its features and specifications:

Physical Characteristics:

• Package Type: The fuse is housed in a compact 1812 (metric 4532) package, which measures approximately 4.5 mm x 3.2 mm. This size makes it suitable for applications where space is limited.
• Construction: The fuse is typically constructed with a ceramic body that provides durability and resistance to environmental factors. The end caps are usually made of metal, which aids in the electrical connection.

Electrical Specifications:

• Rated Current: The 1812L050PR is rated for a nominal current of 50 mA, meaning it can safely carry this amount of current under normal operating conditions.
• Voltage Rating: It has a voltage rating of 32V, indicating the maximum voltage that can be applied across the fuse without risking failure.
• Interrupting Rating: The fuse is designed to interrupt fault currents, providing protection against overcurrent conditions. The specific interrupting rating can vary, but it is generally designed to handle high fault currents safely.

Performance Characteristics:

• Time-Current Characteristics: The fuse exhibits a fast-acting response, meaning it will blow quickly in the event of an overcurrent situation, providing immediate protection to the circuit.
• Temperature Range: The operating temperature range is typically from -55°C to +125°C, allowing it to function effectively in various environmental conditions.

Applications:

The 1812L050PR is suitable for a wide range of applications, including:

• Consumer electronics
• Telecommunications equipment
• Automotive electronics
• Industrial control systems
• Power supplies

Compliance and Standards:

The fuse complies with various industry standards, ensuring reliability and safety in its applications. It may meet certifications such as UL, CSA, or IEC, which are important for ensuring that the component adheres to safety and performance guidelines.

Conclusion:

The 1812L050PR from Littelfuse Inc. is a reliable and efficient surface-mount fuse that provides essential overcurrent protection in compact electronic designs. Its robust construction, fast-acting characteristics, and wide application range make it a valuable component for engineers and designers looking to enhance the safety and reliability of their electronic circuits.