Manufacturer Part Number
WR
Manufacturer
littelfuse
Introduction
The littelfuse 0501020.WR is a fast-acting surface mount fuse designed for protecting circuits in a wide range of electronic applications.
Product Features and Performance
Fast Blow response time for quick circuit protection
Surface Mount technology for convenient board-level protection
20 A current rating for handling high current applications
Voltage rating of 32 V DC for compatibility with low voltage systems
Compact size: 1206 package for easy integration into various designs
High breaking capacity of 150A, ensuring reliable performance under fault conditions
Product Advantages
Fast-acting protection minimizes potential damage to components
Low DC cold resistance (0.002 Ohms) enhances circuit efficiency
High operating temperature range (-55°C to 150°C) for use in extreme conditions
Approved by CSA and UL, ensuring reliable and safe operation
Key Technical Parameters
Current Rating (Amps): 20 A
Voltage Rating DC: 32 V
Breaking Capacity @ Rated Voltage: 150A
Operating Temperature: -55°C ~ 150°C
DC Cold Resistance: 0.002 Ohms
Quality and Safety Features
CSA and UL approvals indicate compliance with specific safety standards
Constructed to withstand high temperatures and current overloads
Compatibility
Suitable for surface mount applications on Printed Circuit Boards (PCBs)
Versatile for use in both industrial and consumer electronic devices
Application Areas
Automotive electronics
Battery management systems
Power supplies
Consumer electronics
Product Lifecycle
The product status is Active, indicating ongoing manufacture and support with no imminent discontinuation. Replacements or upgrades are available as part of littelfuse's continuous product development.
Several Key Reasons to Choose This Product
High reliability in safeguarding against overcurrent and short-circuit conditions
Compact 1206 footprint allows for integration into space-constrained designs
Broad operating temperature range makes it suitable for extreme environmental conditions
Compliance with safety standards ensures adoption in a wide variety of applications
Low resistance supports efficient circuit operation minimizing power loss