Manufacturer Part Number
SMD030F-2018-2
Manufacturer
Littelfuse
Introduction
The Littelfuse SMD030F-2018-2 is a surface mount polymeric PTC resettable fuse designed for circuit protection applications. It offers reliable overcurrent and overtemperature protection, helping to safeguard sensitive electronic components and circuits from damage due to fault conditions.
Product Features and Performance
Polymeric PTC (Positive Temperature Coefficient) design
Voltage rating up to 60V
Hold current of 300mA
Trip current of 800mA
Maximum current rating of 20A
Time to trip of 1.5 seconds
Initial resistance of 500mOhms
Post-trip resistance of up to 2.3 Ohms
Operating temperature range of -40°C to 85°C
Product Advantages
Reliable circuit protection against overcurrent and overtemperature conditions
Automatic resetting functionality for easy system reset
Compact surface mount package for space-constrained designs
Compliant with safety agency approvals including CSA, TUV, and UL
Key Reasons to Choose This Product
Robust overcurrent and overtemperature protection for sensitive electronics
Automatic reset feature for convenient system restoration
Small footprint and low profile for space-efficient PCB design
Trusted Littelfuse quality and safety certifications
Quality and Safety Features
Certified to CSA, TUV, and UL safety standards
Robust polymer PTC design for reliable performance
RoHS and REACH compliant materials
Compatibility
This PTC resettable fuse is suitable for a wide range of electronic applications, including:
Portable electronics
Power supplies
Industrial controls
Telecommunications equipment
Automotive electronics
Application Areas
Circuit protection for overcurrent and overtemperature events
Safeguarding sensitive electronic components and circuits
Protecting against fault conditions and short-circuit events
Product Lifecycle
The Littelfuse SMD030F-2018-2 is an active product in the PolySwitch® series. There are currently no plans for discontinuation, and no direct equivalent or alternative models available. For the latest information or to discuss your specific application needs, please contact our website's sales team.