Manufacturer Part Number
WR
Manufacturer
littelfuse
Introduction
The 0438004.WR is a surface mount circuit protection fuse from littelfuse. This fast-blow fuse is designed for use in a variety of electronic applications that require overcurrent protection.
Product Features and Performance
Current rating of 4A
Voltage ratings of 12V AC and 32V DC
Fast-blow response time
0603 (1608 metric) package size
Breaking capacity of 50A at rated voltage
Melting I²t of 0.692
Approved by CSA and UL
Product Advantages
Compact surface mount design for efficient board space utilization
Fast-blow characteristic for quick overcurrent protection
Reliable and durable construction for long-lasting performance
Key Reasons to Choose This Product
High-quality circuit protection from a trusted manufacturer
Excellent overcurrent protection for sensitive electronic components
Compact size and surface mount design for flexible board layout
Broad approvals and certifications for use in a variety of applications
Quality and Safety Features
Approved by CSA and UL for safety and quality assurance
Operates within a wide temperature range of -55°C to 150°C
Compatibility
This fuse is suitable for use in a wide range of electronic devices and systems that require overcurrent protection, such as power supplies, motor controls, and industrial equipment.
Application Areas
Power supplies
Motor controls
Industrial equipment
Electronic devices
Product Lifecycle
The 0438004.WR is an obsolete product, meaning it is no longer in production. Customers should consider equivalent or alternative models from littelfuse for their circuit protection needs. Please contact our website's sales team for more information on available options.