Manufacturer Part Number
WR
Manufacturer
littelfuse
Introduction
The 0437001.WR is a surface mount fuse from Littelfuse's 437 series. It is a fast-blow, board-mountable fuse designed to provide reliable circuit protection in a compact 1206 package. This fuse offers a range of performance characteristics and safety approvals, making it suitable for use in various electronic applications.
Product Features and Performance
Rated for 1A current, 63V AC/DC voltage
Fast-blow response time
Compact 1206 (3216 metric) package size
Wide operating temperature range of -55°C to 150°C
Low DC cold resistance of 0.36 Ohms
Breaking capacity of 50A at rated voltage
Melting I²t of 0.1
Product Advantages
Reliable circuit protection in a small footprint
Fast-acting fuse response to prevent damage
Suitable for a wide range of operating conditions
Compliance with safety standards (CSA, UR)
Key Reasons to Choose This Product
Compact size and surface mount design for space-constrained applications
Robust performance characteristics to meet diverse circuit protection needs
Trusted Littelfuse brand quality and reliability
Safety approvals for confidence in use
Quality and Safety Features
Compliant with CSA and UL safety standards
Designed for reliable performance and long service life
Compatibility
Suitable for use in a variety of electronic devices and equipment
Application Areas
Suitable for use in consumer electronics, industrial equipment, and other applications requiring compact circuit protection
Product Lifecycle
The 0437001.WR is an active product in Littelfuse's 437 series. There are equivalent and alternative models available from Littelfuse, such as the 0437002.WR and 0437003.WR, which offer similar ratings and characteristics. Customers are advised to contact our website's sales team for the most up-to-date information on product availability and alternatives.