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. 541-3445
Mfr. Part No.0451005.MRL
BrandLittelfuse
$0.993
Each (In a Pack of 10)
units
5 A 125 V ac/dc 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 541-3417
Mfr. Part No.0451003.MRL
BrandLittelfuse
$1.089
Each (In a Pack of 10)
units
3 A 125 V ac/dc 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 541-3451
Mfr. Part No.0451007.MRL
BrandLittelfuse
$1.827
Each (In a Pack of 10)
units
7 A 125 V ac/dc 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 769-3725
Mfr. Part No.0452.500NRL
BrandLittelfuse
$1.155
Each (In a Pack of 10)
units
500 mA 125 V ac 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm T Ceramic 10000 A @ 125 V ac/dc -55°C +125°C - -55 → +125 °C
RS Stock No. 738-2839
Mfr. Part No.0452.500MRL
BrandLittelfuse
$1.742
Each (In a Pack of 10)
units
500 mA 125 V 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm T Ceramic 50 A @ 125 V ac/dc, 300 A @ 32 V dc -55°C +125°C Gold Plated -55 to +125 °C
RS Stock No. 895-1735
Mfr. Part No.0476003.MR
BrandLittelfuse
$1.543
Each (In a Pack of 10)
units
3 A 250 V 6.1mm 2.69mm 3.15mm - 6.1 x 2.69 x 3.15mm F Ceramic - -55°C +125°C Brass, Silver Plated -55 → +125 °C
RS Stock No. 624-3001
Mfr. Part No.1206SFF200F/63-2
BrandLittelfuse
$0.808
Each (In a Pack of 10)
units
2 A 63 V 3.2mm 1.6mm 1.1mm - 3.2 x 1.6 x 1.1mm F Ceramic 50 A -55°C +125°C Nickel, Silver, Tin -55 → +125 °C
RS Stock No. 769-3719
Mfr. Part No.0451001.NRL
BrandLittelfuse
$1.106
Each (In a Pack of 10)
units
1 A 125 V ac 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic - -55°C +125°C - -55 → +125 °C
RS Stock No. 541-3388
Mfr. Part No.0451001.MRL
BrandLittelfuse
$1.298
Each (In a Pack of 10)
units
1 A 125 V ac/dc 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 541-3394
Mfr. Part No.045101.5MRL
BrandLittelfuse
$1.732
Each (In a Pack of 10)
units
1.5 A 125 V ac/dc 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 738-2911
Mfr. Part No.04513.15MR
BrandLittelfuse
$1.238
Each (In a Pack of 10)
units
3.15 A 125 V 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 50 A @ 125 V ac/dc, 300 A @ 32 V dc -55°C +125°C Gold Plated, Silver Plated, SnPb Plated -55 to +125 °C
RS Stock No. 164-8077
Mfr. Part No.1206SFP100F/63-2
BrandLittelfuse
$2,032.86
1 Tape of 3000
Tape(s)
1 A 32 V dc 3.4mm 1.8mm 1.17mm - 3.4 x 1.8 x 1.17mm - Glass Ceramic 50 A @ 32 V dc -55°C +125°C Silver -55 → +125 °C
RS Stock No. 867-5191
Mfr. Part No.1206SFP100F/63-2
BrandLittelfuse
$0.659
Each (In a Bag of 10)
units
1 A 32 V dc 3.4mm 1.8mm 1.17mm - 3.4 x 1.8 x 1.17mm - Glass Ceramic 50 A @ 32 V dc -55°C +125°C Silver -55 → +125 °C
RS Stock No. 542-1238
Mfr. Part No.0466.125NR
BrandLittelfuse
$1.432
Each (In a Pack of 10)
units
125 mA 125 V ac/dc 3.175mm 1.524mm 0.585mm - 3.175 x 1.524 x 0.585mm FF Advanced High Temperature Substrate 50 A @ 125 V ac/dc -55°C +90°C Tin Over Nickel Over Copper -55 → +90 °C
RS Stock No. 173-8038
Mfr. Part No.3403.0269.23
BrandSchurter
$2.14
Each (On a Reel of 1500)
units
315 mA 250 V dc, 277 V ac 15.4mm 5.35mm 5.35mm - 15.4 x 5.35 x 5.35mm T Ceramic - -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 830-4167
Mfr. Part No.3403.0269.23
BrandSchurter
$1.428
Each (In a Pack of 10)
units
315 mA - 15.4mm 5.35mm 5.35mm - 15.4 x 5.35 x 5.35mm T Ceramic - -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 541-3619
Mfr. Part No.0466003.NR
BrandLittelfuse
$0.894
Each (In a Pack of 10)
units
3 A 32 V ac/dc 3.175mm 1.524mm 0.585mm - 3.175 x 1.524 x 0.585mm FF Advanced High Temperature Substrate 50 A @ 32 V ac/dc -55°C +90°C Tin Over Nickel Over Copper -55 → +90 °C
RS Stock No. 541-3350
Mfr. Part No.0451.500MRL
BrandLittelfuse
$1.293
Each (In a Pack of 10)
units
500 mA 125 V ac/dc 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 738-3289
Mfr. Part No.0468.500NR
BrandLittelfuse
$1.176
Each (In a Pack of 10)
units
500 mA 63 V 3.18mm 1.52mm 0.58mm - 3.18 x 1.52 x 0.58mm Slo-Blo Epoxy Substrate 50 A @ 63 V ac/dc -55°C +90°C Tin -55 → +90 °C
RS Stock No. 738-2958
Mfr. Part No.0451.200MRL
BrandLittelfuse
$3.244
Each (In a Pack of 10)
units
200 mA 125 V 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 50 A @ 125 V ac/dc, 300 A @ 32 V dc -55°C +125°C Gold Plated, Silver Plated, SnPb Plated -55 to +125 °C
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