Littelfuse 1.85A Hold current, Radial Leaded PCB Mount Resettable Fuse, 16V dc

  • RS Stock No. 506-943
  • Mfr. Part No. RUSBF185
  • Manufacturer Littelfuse
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

PolySwitch™ PTC Devices RUSBF Series



PCB Wire Ended

Resettable fuses with radial leads that offer the following:

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 3.7A
Time to Trip 10s
Hold Current 1.85 A
Voltage Rating 16 V dc
Maximum Current 40 A
Minimum Resistance 0.03Ω
Maximum Resistance 90mΩ
Power Dissipation 1W
Body Height 15.7mm
Body Length 10.2mm
Body Width 3mm
Wire Pitch 4.3 → 5.8mm
Wire Length 7.6mm
Wire Diameter 24AWG
110 In stock for delivery within 5 working day(s)
Price (ex. GST) Each (In a Pack of 5)
$ 0.776
(exc. GST)
$ 0.854
(inc. GST)
Per unit
Per Pack*
5 - 70
75 - 245
250 - 495
500 - 1245
1250 +
*price indicative
Packaging Options:
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