Littelfuse 4A Hold current, Radial Leaded PCB Mount Resettable Fuse, 60V

  • RS Stock No. 712-7509
  • Mfr. Part No. RKEF400
  • Manufacturer Littelfuse
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CN
Product Details

Tyco PolySwitch™ PTC Devices RKEF Series

PCB Wire Ended

All are UL, CSA, TUV approved
Protection of electrical and electronic circuits against excessive currents
Rapid switch from low resistance state to very high resistance with electrical overload or short circuit
Quick and automatic reset and return to low resistance state when fault condition corrected and power removed

Features:

Automatically resets itself thousands of times
Maintenance free
Small size and no fuseholder required

Main applications:

Security systems
Power supplies and transformers
Power switching devices
Automotive and medical equipment
Instrumentation and control
Computers and peripherals
Audio visual and telecommunications

Specifications
Attribute Value
Lead Orientation Radial
Trip Current 8A
Time to Trip 24s
Hold Current 4 A
Voltage Rating 60 V
Maximum Current 40 A
Minimum Resistance 0.014Ω
Maximum Resistance 60mΩ
Power Dissipation 3.7W
Body Height 24.9mm
Body Length 21mm
Body Width 3mm
Wire Pitch 9.4 → 10.9mm
Wire Length 7.6mm
Wire Diameter 20AWG
On back order for despatch 08/06/2020, delivery within 5 working days from despatch date.
Price (ex. GST) Each (In a Pack of 10)
$ 0.91
(exc. GST)
$ 1.00
(inc. GST)
units
Per unit
Per Pack*
10 - 140
$0.91
$9.10
150 - 490
$0.865
$8.65
500 - 990
$0.819
$8.19
1000 - 2490
$0.774
$7.74
2500 +
$0.735
$7.35
*price indicative
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