Manufacturer Part Number
TR250-145U
Manufacturer
littelfuse
Introduction
The TR250-145U is a PolySwitch® polymeric resettable fuse from Littelfuse. It provides reliable circuit protection against overcurrent and overtemperature conditions, automatically resetting once the fault is removed. This compact and cost-effective solution is designed for a wide range of applications.
Product Features and Performance
Voltage rating up to 250V (60V internal)
Hold current of 145mA
Maximum current rating of 3A
Time to trip: 2 seconds
Initial resistance of 3.5 ohms
Post-trip resistance of up to 12 ohms
Operating temperature range of -40°C to 85°C
Product Advantages
Automatic resetting for easy circuit restoration
Compact and space-saving design
Cost-effective circuit protection solution
Reliable performance in a wide range of applications
Key Reasons to Choose This Product
Proven PolySwitch® technology for reliable circuit protection
Versatile design suitable for various application requirements
Easy integration and installation
Robust performance in challenging environments
Quality and Safety Features
Compliant with relevant safety and quality standards
Durable construction for long-lasting performance
Compatibility
Suitable for a wide range of electronic devices and circuits
Application Areas
Consumer electronics
Household appliances
Industrial equipment
Telecommunications equipment
Automotive electronics
Product Lifecycle
The TR250-145U is an obsolete product, meaning it is no longer in active production. However, Littelfuse offers alternative PolySwitch® models that may be suitable replacements. Customers are advised to contact our website's sales team for more information on available options and compatibility.