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See Technical Specifications

RKEF300 +BOM

60V 3A 40A 6A Plugin Resettable Fuses ROHS

Manufacturer:

Littelfuse
Mfr.Part #:

RKEF300
Datasheet:

RKEF300 Datasheet (PDF)
Hold Current (A):

3
Trip Current (A):

6
Max Fault Current Rating (A):

40
Minimum Resistance (RMIN) (Ohms):

0.03
EDA/CAD Models:

Request Free CAD Models for RKEF300

RKEF300 General Description

When it comes to PolySwitch devices, the RKEF300 stands out as a prime example of innovation and excellence in the industry. Its unique combination of voltage rating and hold current capabilities make it a sought-after product for professionals in various fields. Whether you are designing a new electronic system or upgrading an existing one, the RKEF series offers the perfect balance of performance and reliability to ensure the optimal functioning of your circuits. Trust Littelfuse for all your circuit protection needs, and experience the difference that quality can make

Key Features

Resettable and single-use overcurrent devices
Wide range of form factor and termination methods
Devices compatible with high-volume electronics assembly
RoHS compliant, Lead-Free and Halogen-Free

Application

Satellite video receivers
Industrial controls
Transformers
Computer motherboards
Modems
USB hubs, ports and peripherals
IEEE 1394 ports
CD-ROMs
Game machines
Battery packs
Phones
Fax machines
Analog and digital line cards
Printers

Specifications

Hold Current (A)	3	Trip Current (A)	6
Max Fault Current Rating (A)	40	Minimum Resistance (RMIN) (Ohms)	0.03
Resistance (Max) Ω	0.05	Max Resistance (R1max) (Ohms)	0.08
Max Time to Trip Time (Sec)	19.8	Power Dissipation (Typical) WATT	3.2
Maximum Operating Temperature	85