Bourns 0.3A Hold current, Radial Leaded PCB Mount Resettable Fuse, 72V

  • RS Stock No. 691-7557
  • Mfr. Part No. MF-RX030/72-0
  • Manufacturer Bourns
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CN
Product Details

MF-RX/72 Series

Applications include almost anywhere there is a low voltage power supply, up to 72 V and a load to be protected, e.g. security and fire alarm systems, loudspeakers and power transformers.

72V rated
Radial leaded devices
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 600mA
Time to Trip 3s
Hold Current 0.3 A
Voltage Rating 72 V
Maximum Current 40 A
Minimum Resistance 0.76Ω
Maximum Resistance 2.1Ω
Power Dissipation 0.5W
Body Height 13.4mm
Body Length 7.4mm
Body Width 3.1mm
Wire Pitch 5.1mm
Wire Length 7.6mm
Minimum Operating Temperature -40°C
Wire Diameter 0.51mm
Maximum Operating Temperature +85°C
100 In stock for delivery within 2 working days
Unit of sale: Each (In a Pack of 5)
(exc. VAT)
(inc. VAT)
Per unit
Per Pack*
5 +
*price indicative
Packaging Options:
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