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See Technical Specifications

RKEF400 +BOM

With a Through Hole Mount and RADIAL LEADED design, RKEF400 is a reliable choice for electronic circuits

Manufacturer:

Littelfuse
Mfr.Part #:

RKEF400
Datasheet:

RKEF400 Datasheet (PDF)
Hold Current (A):

4
Trip Current (A):

8
Max Fault Current Rating (A):

40
Minimum Resistance (RMIN) (Ohms):

0.014
EDA/CAD Models:

Request Free CAD Models for RKEF400

RKEF400 General Description

The Littelfuse PolySwitch RKEF400 series offers a groundbreaking solution for circuit protection, combining a voltage rating of 60V with a hold current capability of up to 5A. With unparalleled performance and reliability, these radial-leaded devices are setting a new standard in the industry. Designed to meet the diverse needs of modern electronic applications, the RKEF400 series ensures optimal protection without compromising on efficiency

Key Features

High precision and low noise performance
Fine pitch and thin wire bonding capabilities
Low inductance and high frequency performance

Application

State-of-the-art motherboards
Efficient modem design
Reliable USB peripherals

Specifications

Hold Current (A)	4	Trip Current (A)	8
Max Fault Current Rating (A)	40	Minimum Resistance (RMIN) (Ohms)	0.014
Resistance (Max) Ω	0.038	Max Resistance (R1max) (Ohms)	0.06
Max Time to Trip Time (Sec)	24	Power Dissipation (Typical) WATT	3.7
Maximum Operating Temperature	85