RKEF075 - Littelfuse Inc.

Manufacturer Part Number

RKEF075

Manufacturer

littelfuse

Introduction

The RKEF075 is a PolySwitch® resettable polymeric positive temperature coefficient (PPTC) device from Littelfuse. It is designed to provide overcurrent and overtemperature protection for sensitive electronic circuits. This compact, through-hole mounted device offers reliable circuit protection in a wide range of applications.

Product Features and Performance

Polymeric, resettable overcurrent protection

Compact 0.310" x 0.140" (7.87mm x 3.56mm) radial disc package

Maximum voltage of 60V

Hold current of 750mA and trip current of 1.5A

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

Initial resistance of 200mΩ, post-trip resistance of 640mΩ

Fast time-to-trip of 1.5 seconds

Agency approvals: CSA, TUV, UL

Product Advantages

Resettable overcurrent protection

Compact footprint for space-constrained designs

Wide operating temperature range

Reliable performance and long service life

Key Reasons to Choose This Product

Proven circuit protection solution from a trusted industry leader

Resettable design eliminates the need for manual intervention after a fault

Compact size allows for flexible placement in tight spaces

Reliable performance in harsh environments

Quality and Safety Features

Approved by leading safety agencies (CSA, TUV, UL)

Designed and manufactured to the highest quality standards

Compatibility

The RKEF075 is compatible with a wide range of electronic devices and applications that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications systems

Automotive electronics

Power supplies

Product Lifecycle

The RKEF075 is an active product and is currently available. There are no plans for discontinuation at this time. Our website's sales team offers a range of equivalent and alternative PolySwitch® resettable fuse models to meet various application requirements. Customers are encouraged to contact our website's sales team for more information on alternative solutions.