RKEF050 - Littelfuse Inc.

Manufacturer Part Number

RKEF050

Manufacturer

littelfuse

Introduction

The RKEF050 is a PolySwitch® resettable PTC fuse from Littelfuse. It is a polymeric positive temperature coefficient (PPTC) device that provides overcurrent and overtemperature protection for electronic circuits. It is designed to automatically reset after the fault condition is removed, making it a reliable and durable circuit protection solution.

Product Features and Performance

Voltage rating up to 60V

Hold current of 500mA

Trip current of 1A

Maximum current rating of 40A

Time to trip of 800ms

Initial resistance of 320mOhms

Post-trip resistance of 900mOhms

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

Product Advantages

Resettable and reusable design

Compact and space-saving

Reliable and long-lasting protection

Simple installation and integration

Key Reasons to Choose This Product

Robust circuit protection against overcurrent and overtemperature faults

Automatic reset capability for hassle-free operation

Wide voltage and temperature range for versatile applications

Compliance with industry safety standards (CSA, TUV, UL)

Cost-effective solution for circuit protection needs

Quality and Safety Features

Meets industry safety standards (CSA, TUV, UL)

Robust construction for reliable performance

Compatibility

The RKEF050 is compatible with a wide range of electronic devices and applications that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Power supplies

Telecommunications equipment

Automotive electronics

Product Lifecycle

The RKEF050 is an active product, and there are no plans for discontinuation at this time. If you need further information or assistance, please contact our sales team through our website.