Manufacturer Part Number
WR
Manufacturer
Littelfuse
Introduction
Surface mount high-speed fuse designed for circuit protection
Product Features and Performance
Fast-acting fuse responding quickly to overcurrent events
Compact 1206 footprint for space-constrained applications
High breaking capacity handles up to 150A
Low DC cold resistance for minimal power loss
Suited for high-temperature operating conditions
Product Advantages
Provides reliable protection in a small package
Enhances safety with high interrupting rating
Fast response time protects sensitive circuit components
Able to withstand extreme temperature variations
Key Technical Parameters
Current Rating: 10 A
Voltage Rating - DC: 32 V
Melting I²t: 10.385
Response Time: Fast Blow
Breaking Capacity @ Rated Voltage: 150A
Operating Temperature Range: -55°C to 150°C
Package / Case: 1206 (3216 Metric)
DC Cold Resistance: 0.00427 Ohms
Size / Dimension: 3.20mm x 1.63mm x 0.84mm
Quality and Safety Features
CSA and UL listed indicating compliance with safety standards
Compatibility
Compatible with surface mount technology for electronic assemblies
Application Areas
Used in consumer electronics, automotive systems, and industrial equipment
Product Lifecycle
Active product not nearing discontinuation
Replacements or upgrades typically available within Littelfuse’s 501 series
Several Key Reasons to Choose This Product
High interrupting rating safeguards against catastrophic failure
Fast response time to protect circuit components
Wide operating temperature range for use in various environments
Low resistance for improved energy efficiency
Compact size aids in design flexibility and space savings
Recognized by international safety standards (CSA, UL)