Manufacturer Part Number
MRL
Manufacturer
littelfuse
Introduction
The 0451001.MRL is part of littelfuse's NANO²® 451 series, a range of fast-blow surface mount fuses designed for circuit protection in various applications, providing reliable and precise protection in a small package.
Product Features and Performance
Fast blow response time
Surface mount package for compact board design
Rated for both AC and DC circuits
High breaking capacity of 50A
Low DC cold resistance of 0.153 Ohms
125V voltage rating for both AC and DC
Operating temperature range of -55°C to 125°C
Certified by CSA, PSE, and UL for quality and safety
Product Advantages
Minimizes space requirements on PCBs
Ensures rapid response to fault conditions for circuit protection
Dual AC/DC voltage rating provides versatility in applications
High breaking capacity enhances safety and device protection
Low internal resistance supports efficient operation
Key Technical Parameters
Current Rating: 1 A
Voltage Rating AC/DC: 125 V
Response Time: Fast Blow
Operating Temperature: -55°C ~ 125°C
Breaking Capacity @ Rated Voltage: 50A
Melting I²t: 0.459
DC Cold Resistance: 0.153 Ohms
Size / Dimension: 0.240" x 0.106" x 0.106"
Quality and Safety Features
Compliance with CSA, PSE, and UL demonstrates adherence to safety standards
High breaking capacity for reliable protection under fault conditions
Compatibility
Suited for surface mount applications on printed circuit boards
Application Areas
Consumer Electronics
Industrial Equipment
Automotive Systems
Telecommunications
Power Supplies
Product Lifecycle
Status: Active
No indication of impending discontinuation, ensuring availability for new designs
Several Key Reasons to Choose This Product
Compact size facilitates efficient use of PCB space
Fast response to overcurrent conditions prevents damage to electronic components
Versatility with both AC and DC rating simplifies inventory and design considerations
Quality and safety certification from recognized agencies
High breaking capacity offers robust protection for critical circuits
Wide operating temperature range enhances reliability in varying environmental conditions
Availability in tape and reel packaging supports efficient manufacturing processes
0451.500MRL1Hamlin / Littelfuse