Manufacturer Part Number
5UR
Manufacturer
littelfuse
Introduction
The 045903.5UR is a PICO® 459 series circuit protection fuse from Littelfuse. This surface mount fuse is designed for board-level circuit protection, offering fast-blow response time and high breaking capacity to safeguard sensitive electronic components.
Product Features and Performance
Current Rating: 3.5A
Voltage Rating: 125V AC, 125V DC
Fast-blow response time
High breaking capacity: 50A AC, 300A DC
Melting I²t: 1.65
Operating Temperature: -55°C to 125°C
Small size: 7.24mm x 4.32mm x 3.05mm
Product Advantages
Compact, space-saving design
High current and voltage ratings
Fast-acting protection against overcurrent and short circuits
Robust construction for reliable performance
Key Reasons to Choose This Product
Proven Littelfuse quality and reliability
Versatile surface mount design for easy integration
Excellent overcurrent and short circuit protection
Wide operating temperature range
Quality and Safety Features
Approved by CSA and UL safety standards
Durable construction for long-lasting performance
Consistent and reliable protection
Compatibility
This PICO® 459 series fuse is compatible with a wide range of electronic devices and applications.
Application Areas
Consumer electronics
Industrial equipment
Power supplies
Telecommunications systems
Automotive electronics
Product Lifecycle
The 045903.5UR is an active, in-production product from Littelfuse. There are no direct equivalent or alternative models available at this time. For the most up-to-date information, please contact our website's sales team.
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