Manufacturer Part Number
FSMD300R
Manufacturer
rfe-fuzetec
Introduction
The FSMD300R is a surface mount, resettable PTC (Positive Temperature Coefficient) fuse from rfe-fuzetec. It is designed to provide overcurrent and overtemperature protection for sensitive electronic circuits and devices. This compact 1812 (4532 metric) fuse offers reliable circuit protection with its fast trip time and low resistance.
Product Features and Performance
Rated for up to 6V voltage
Hold current of 3A and trip current of 5A
Maximum current capacity of 100A
4 second time to trip
Initial resistance of 12mΩ, post-trip resistance of 40mΩ
Operating temperature range of -40°C to 85°C
Product Advantages
Resettable design allows the fuse to automatically reset after the overcurrent condition is resolved
Compact 1812 (4532 metric) surface mount package
Fast acting with 4 second time to trip
Low resistance for minimal voltage drop
Key Reasons to Choose This Product
Reliable circuit protection for sensitive electronics
Compact size allows for space-constrained designs
Automatic reset feature eliminates the need to replace the fuse
Certified to cUL, TUV, and UL safety standards
Quality and Safety Features
Certified to cUL, TUV, and UL safety standards
Designed and manufactured to high quality standards
Compatibility
The FSMD300R is a surface mount, resettable PTC fuse that can be used in a variety of electronic devices and applications.
Application Areas
Computers and peripherals
Consumer electronics
Industrial equipment
Telecommunications equipment
Automotive electronics
Product Lifecycle
The FSMD300R is an active product. There are equivalent or alternative models available from rfe-fuzetec, but for the most up-to-date information, please contact our website's sales team.