RUEF300U - Littelfuse Inc.

Manufacturer Part Number

RUEF300U

Manufacturer

littelfuse

Introduction

The RUEF300U is a high-performance, polymeric PTC resettable fuse from Littelfuse's PolySwitch® series. This device offers reliable circuit protection against overcurrent, overload, and short-circuit conditions, ensuring the safety and reliability of sensitive electronic devices.

Product Features and Performance

Polymeric PTC (Positive Temperature Coefficient) technology for resettable overcurrent protection

Voltage rating up to 30V

Hold current of 3A and trip current of 6A

Maximum current rating of 100A

Fast time-to-trip of 10.8 seconds

Low initial resistance of 20 mOhms and post-trip resistance of up to 80 mOhms

Wide operating temperature range of -40°C to 85°C

Product Advantages

Reliable and automatic circuit protection against overcurrent, overload, and short-circuit conditions

Resettable design allows the device to be reused after the fault condition has been removed

Compact and space-saving radial disc package

RoHS-compliant and halogen-free materials

Key Reasons to Choose This Product

Robust and reliable circuit protection for sensitive electronic devices

Versatile applications in a wide range of industries, including consumer electronics, industrial equipment, and automotive systems

Cost-effective solution compared to traditional fuses or circuit breakers

Ease of integration and installation in compact electronic designs

Quality and Safety Features

Certified by CQC, CSA, TUV, and UL safety standards

Rigorous quality control and testing to ensure consistent performance and reliability

Compatibility

The RUEF300U is compatible with a wide range of electronic devices and applications that require reliable overcurrent protection.

Application Areas

Consumer electronics (smartphones, tablets, laptops, etc.)

Industrial equipment (motor drives, power supplies, control systems, etc.)

Automotive electronics (infotainment systems, safety systems, power management, etc.)

Telecom and networking equipment

Household appliances

Product Lifecycle

The RUEF300U is an active product in our website's sales team's portfolio. There are no immediate plans for discontinuation, and this model remains a reliable and widely-used circuit protection solution. If you have any questions or require further information, please contact our website's sales team.