Non-Resettable Wire Ended Fuses

Non-resettable wire ended fuses are a type of single use circuit protection device that are can be soldered onto printed circuit boards or carriers. This category encompasses any type of single-use fuse that consist of a fuse body with two wires extended outside of the body.

How do non-resettable wire ended fuses work?

Non-resettable wire ended fuses form part of a circuit and allow an electrical current to flow through them. When a fault such as overcurrent or a short circuit is detected, the metal strip in the fuse body will melt, breaking the circuit and preventing damage. This type of fuse must be replaced after it has blown.

Types of non-resettable wire ended fuses

Non-resettable wire ended fuses differ broadly, mainly in their shape. The fuse body can be a short, fat cylinder or a longer, thinner one, and the wires may extend in parallel both from the same side of the fuse, or in opposite directions from either side of the fuse body. They also differ in their current and voltage rating, and the range of their operating temperature.


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Description Price Current Rating Lead Orientation Voltage Rating Fuse Speed Body Material Body Diameter Body Length Body Width Body Height Wire Length Wire Pitch Breaking Capacity at Maximum Voltage Rating Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 541-3259
Mfr. Part No.0251.500NRT1L
BrandLittelfuse
HK$6.067
Each (In a Pack of 10)
units
500 mA Axial 125 V ac/dc FF Ceramic 2.8mm - - 7.11mm 27.78mm - 50 A @ 125 V ac, 300 A @ 125 V dc -55°C +125°C
RS Stock No. 125-6894
Mfr. Part No.0251004.HAT1L
BrandLittelfuse
HK$6.613
Each (In a Pack of 10)
units
4 A Axial 125 V ac/dc FF Ceramic 2.8mm - - 7.11mm 27.78mm - 50 A @ 125 V ac, 300 A @ 125 V dc -55°C +125°C
RS Stock No. 767-5147
BrandRS PRO
HK$3.352
Each (In a Pack of 10)
units
1.6 A Radial 250 V - Thermoplastic 8.35 - - 7.7mm 4.3 mm, 22 mm 5.08mm 35 A @ 250 V ac -55°C +125°C
RS Stock No. 866-8572
Mfr. Part No.0034.6817
BrandSchurter
HK$3.41
Each (In a Pack of 750)
units
1.6 A Radial 250 V ac T Thermoplastic 8.5mm - - 8.5mm 18.8mm 5.08mm - -55°C +125°C
RS Stock No. 169-9529
Mfr. Part No.SS-5-1A-BK
HK$13.56
Each (In a Bag of 200)
units
1 A Radial 250 V ac T Plastic - 8.5mm 4.3mm 8.35mm 4.8mm 5.08mm 35 A @ 250 V ac -40°C +125°C
RS Stock No. 738-3302
Mfr. Part No.39603150000
BrandLittelfuse
HK$7.972
Each (In a Pack of 10)
units
315 mA Radial 125 V T Polyamide - 8.5mm 4mm 8mm 18.8mm 5.08mm - -40°C +85°C
RS Stock No. 226-0658
Mfr. Part No.3960250000
BrandWickmann
HK$6.525
Each (In a Pack of 10)
units
250 mA Radial 125 V ac T Nylon - 8.5mm 4mm 8mm 18.8mm 5.08mm 100 A -40°C +85°C
RS Stock No. 226-0923
Mfr. Part No.3701160000
BrandWickmann
HK$3.589
Each (In a Pack of 10)
units
1.6 A Radial 250 V ac F Nylon 8.5mm - - 8mm 18.8mm 5.08mm - -40°C +85°C
RS Stock No. 2508426194
Mfr. Part No.SR-5-6.3A-BK
HK$13.44
Each
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RS Stock No. 2508427670
Mfr. Part No.SR-5F-1.6A-BK
HK$15.68
Each
units
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