Manufacturer Part Number
MRL
Manufacturer
Littelfuse
Introduction
The 0451015.MRL is a fast-acting fuse designed by Littelfuse for high-performance circuit protection in a compact, surface mount format.
Product Features and Performance
Fast blow response for quick reaction to overcurrent events
Surface mount design suitable for automated assembly processes
Compact size with square end block 2-SMD package
High breaking capacity of 50A at both 65V AC and DC
Low DC cold resistance of 0.0037 Ohms
Operating temperature range of -55°C to 125°C ensuring reliability in extreme conditions
Product Advantages
Fast reaction to electrical faults protects critical components efficiently
Small footprint allows for space-saving circuit design
High breaking capacity offers robust protection for circuits with higher power demands
Surface mount format compatible with modern PCB manufacturing processes
Broad operating temperature range enhances usability in diverse environments
Key Technical Parameters
Current Rating: 15 A
Voltage Rating: 65 V AC/DC
Response Time: Fast Blow
Breaking Capacity @ Rated Voltage: 50 A
Melting I²t: 97.82
Operating Temperature: -55°C to 125°C
DC Cold Resistance: 0.0037 Ohms
Quality and Safety Features
Approval by CSA and UL, indicating compliance with North American safety standards
Compatibility
Suitable for use in PCB-based electronics requiring surface mount fuse solutions
Application Areas
Consumer Electronics
Automotive Electronics
Industrial Control Systems
Telecommunications Equipment
Product Lifecycle
Currently in active production with no announced discontinuation, ensuring long-term availability
Several Key Reasons to Choose This Product
High reliability and performance in a compact SMD package
Fast blow characteristics provide immediate protection against overcurrent, minimizing potential damage
Approved by recognized safety standards for use in North America
Wide application range from consumer devices to industrial equipment
Long-term availability supports product lifecycle management and future designs
