Non-Resettable Surface Mount Fuses

Non-resettable surface mount fuses are single-use circuit protection devices that break a circuit when a fault is detected. This type of fuse is designed to be mounted directly onto a printed circuit board (PCB).

How do non-resettable surface mount fuses work?

Non-resettable surface mount fuses perform the role of a simple circuit breaker in a circuit. When a fault such as overcurrent or a short circuit is detected, the metal strip inside the fuse melts, stopping the flow of current and preventing damage to the circuit and any other connected devices. Once the fuse has blown, it must be replaced as it is non-resettable.

Types of non-resettable surface mount fuses

Non-resettable surface mount fuses can differ by their voltage and current rating, their size and their level of resistance, measured in ohms. Their body material can also vary widely, from thermoplastic to glass ceramic. This type of fuse can have a range of maximum and minimum operating temperatures.


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Description Price Current Rating Voltage Rating Length Width Height Package Size Dimensions Fuse Speed Body Material Breaking Capacity at Maximum Voltage Rating Minimum Operating Temperature Maximum Operating Temperature Terminal Material Operating Temperature Range
RS Stock No. 173-8022
Mfr. Part No.3413.0008.22
BrandSchurter
€597.81
1 Reel of 1000
Reel(s)
160 mA 63 V dc, 125 V ac 3.2mm 1.6mm 1.6mm - 3.2 x 1.6 x 1.6mm FF Epoxy Glass 100 A @ 125 V ac, 100 A @ 125 V ac;100 A @ 63 V dc, 100 A @ 63 V dc -55°C +90°C Gold Plated Copper Alloy -55 → +90 °C
RS Stock No. 173-8018
Mfr. Part No.3405.0163.24
BrandSchurter
€1,037.59
1 Reel of 2000
Reel(s)
500 mA 125 V dc, 250 V ac 10.1mm 3mm 3mm - 10.1 x 3 x 3mm F Ceramic 200 A @ 125 V dc, 200 A @ 250 V ac -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 173-8002
Mfr. Part No.3404.0120.22
BrandSchurter
€0.59
Each (On a Reel of 750)
units
4 A 125 V ac/dc 7.4mm 3.1mm 2.6mm - 7.4 x 3.1 x 2.6mm T Thermoplastic - -40°C +85°C Tin Plated Copper Alloy -40 → +85 °C
RS Stock No. 187-8669
Mfr. Part No.SF-3812FG2500T-2
BrandBourns
€1.298
Each (On a Reel of 2500)
units
25 A 125 V ac 10.1mm 3.1mm 3.1mm - 10.1 x 3.1 x 3.1mm F Ceramic 100 A @ 125 V ac -55°C +125°C - -55 → +125 °C
RS Stock No. 219-6096
Mfr. Part No.0154001.DR
BrandLittelfuse
€2.136
Each (In a Pack of 10)
units
1 A 125 V ac/dc 9.73mm 5.03mm 3.81mm - 9.73 x 5.03 x 3.81mm FF Thermoplastic 50 A @ 125 V ac/V dc -55°C +125°C Tin/Lead Plated Beryllium Copper -55 → +125 °C
RS Stock No. 2508336978
Mfr. Part No.6125FA2A
€0.65
Each
units
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