1812L020PR

The 1812L020PR is a surface-mount fuse manufactured by Littelfuse Inc., designed to provide overcurrent protection in various electronic applications. 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 (0.18 in x 0.12 in). This small size makes it suitable for space-constrained applications.
• Construction: The fuse is typically constructed from a ceramic body with metal end caps, providing durability and reliability in various environmental conditions.

Electrical Specifications:

• Rated Current: The 1812L020PR is rated for a nominal current of 20A, making it suitable for applications that require moderate current protection.
• Voltage Rating: It has a voltage rating of 125V AC, allowing it to be used in standard AC power applications.
• Interrupting Rating: The fuse is designed to handle fault conditions, with a high interrupting rating that ensures it can safely disconnect the circuit in the event of an overcurrent situation.

Performance Characteristics:

• Time-Current Characteristics: The fuse exhibits a fast-acting response to overcurrent conditions, which means it will blow quickly to protect sensitive components from damage.
• Temperature Range: The operating temperature range is typically from -55°C to +125°C, allowing it to function effectively in a variety of environments.

Applications:

The 1812L020PR is commonly used in:

• Consumer electronics
• Power supplies
• Automotive applications
• Industrial equipment
• Telecommunications devices

Compliance and Standards:

• The fuse meets various industry standards for safety and performance, ensuring it is suitable for use in a wide range of applications.

Additional Features:

• RoHS Compliant: The fuse is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it an environmentally friendly choice for manufacturers.
• Marking: The fuse is typically marked with its rating and manufacturer information for easy identification during assembly and maintenance.

In summary, the 1812L020PR from Littelfuse Inc. is a reliable and efficient surface-mount fuse that provides essential overcurrent protection in a compact form factor, making it ideal for modern electronic designs.