Manufacturer Part Number
MRL
Manufacturer
littelfuse
Introduction
The 0451005.MRL is a fast-acting surface-mount fuse from littelfuse's NANO²® 451 series, designed for circuit protection in various applications.
Product Features and Performance
Surface Mount (SMD) for streamlined PCB assembly
Fast Blow response time for quick protection
5A current rating suitable for moderate current applications
Dual voltage rating (125V AC and DC) for flexible use in various circuits
Compact 2-SMD, square end block package
High breaking capacity of 50A
Low DC Cold Resistance of 0.0125 Ohms
Operating Temperature Range: -55°C to +125°C
Melting I²t of 5.566 for predictable performance
Product Advantages
Versatile for AC and DC applications
Fast protection against overcurrents
Suitable for high-density PCBs due to small size
High reliability and precise operation
Approved by CSA, PSE, and UL for quality and safety
Key Technical Parameters
Current Rating: 5A
Voltage Rating: 125V (AC and DC)
Response Time: Fast Blow
Breaking Capacity: 50A
DC Cold Resistance: 0.0125 Ohms
Operating Temperature: -55°C to +125°C
Quality and Safety Features
Rigorous testing to meet CSA, PSE, and UL standards
High breaking capacity for secure operation
Operates reliably in extreme temperatures
Compatibility
Compatible with various electronic devices requiring 5A current protection on both AC and DC circuits
Application Areas
Power supplies
Consumer Electronics
Automotive systems
Industrial controls
Product Lifecycle
Active status, with no current indication of discontinuation
Availability of replacements or upgrades as new technologies emerge
Several Key Reasons to Choose This Product
High performance and reliability in protecting circuits
Wide operating temperature range suitable for harsh environments
Fast response time to immediately safeguard components
Compact size for high-density electronic assemblies
Compliance with major safety standards, ensuring global acceptance
Versatility in both AC and DC applications
