Bourns 3A Hold current, Radial Leaded PCB Mount Resettable Fuse, 30V

  • RS Stock No. 647-8572
  • Mfr. Part No. MF-R300
  • Manufacturer Bourns
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

MF-R Series

Radial leaded devices
Rated at 40A except MF-R1100 which is rated at 100A
Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements

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


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

Attribute Value
Lead Orientation Radial
Trip Current 6A
Time to Trip 10.8s
Hold Current 3 A
Voltage Rating 30 V
Maximum Current 40 A
Minimum Resistance 0.02Ω
Maximum Resistance 80mΩ
Power Dissipation 2W
Body Height 18.3mm
Body Length 12mm
Body Width 3mm
Wire Pitch 5.1mm
Wire Length 7.6mm
Wire Diameter 0.81mm
Minimum Operating Temperature -40°C
Maximum Operating Temperature +85°C
70 : Next working day
1250 Within 5 working day(s) (Global stock)
Price (ex. GST) Each (In a Pack of 10)
$ 0.674
(exc. GST)
$ 0.775
(inc. GST)
Per unit
Per Pack*
10 - 90
100 - 490
500 - 1490
1500 - 2490
2500 +
*price indicative
Packaging Options:
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