RUEF400 - Littelfuse Inc.

Manufacturer Part Number

RUEF400

Manufacturer

littelfuse

Introduction

The RUEF400 is a high-performance, resettable PolySwitch® circuit protection device from Littelfuse. It is designed to provide reliable overcurrent and overtemperature protection for a wide range of electronic applications, ensuring the safety and reliability of the connected circuitry.

Product Features and Performance

Polymeric positive temperature coefficient (PPTC) technology for reliable resettable protection

Voltage rating up to 30V

Hold current (Ih) of 4A, trip current (It) of 8A, and maximum current of 100A

Time-to-trip of 12.7 seconds

Initial resistance (Ri) of 10 mOhms and post-trip resistance (R1) of 50 mOhms

Operating temperature range of -40°C to 85°C

Compact radial, disc-shaped package with through-hole mounting

Product Advantages

Reliable and durable overcurrent and overtemperature protection

Easy installation and reset capabilities

Compact and space-saving design

Broad operating temperature range

Key Reasons to Choose This Product

Proven Littelfuse quality and reliability

Robust circuit protection for a wide range of applications

Flexible and easy-to-integrate solution

Cost-effective and energy-efficient design

Quality and Safety Features

Approved by CQC, CSA, TUV, and UL for safety and quality assurance

Designed and manufactured to the highest industry standards

Compatibility

The RUEF400 is compatible with a wide range of electronic devices and systems that require reliable circuit protection, including:

Consumer electronics

Industrial equipment

Telecommunications infrastructure

Automotive electronics

Renewable energy systems

Application Areas

Overcurrent and overtemperature protection for electronic circuits

Safeguarding sensitive components from damage due to fault conditions

Protecting battery-powered devices and systems

Product Lifecycle

The RUEF400 is an active, in-production product from Littelfuse. There are no plans for discontinuation at this time. However, if you have any questions or require information about equivalent or alternative models, please contact our website's sales team.