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. 541-3647
Mfr. Part No.0452003.MRL
BrandLittelfuse
€1.037
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 T Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 769-3731
Mfr. Part No.0452003.NRL
BrandLittelfuse
€0.696
Each (In a Pack of 10)
units
3 A 125 V ac 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm T Ceramic - -55°C +125°C - -55 → +125 °C
RS Stock No. 769-3738
Mfr. Part No.0452002.NRL
BrandLittelfuse
€1.098
Each (In a Pack of 10)
units
2 A 125 V ac 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm T Ceramic - -55°C +125°C - -55 → +125 °C
RS Stock No. 769-3719
Mfr. Part No.0451001.NRL
BrandLittelfuse
€0.803
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
€0.765
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. 541-3631
Mfr. Part No.0452002.MRL
BrandLittelfuse
€1.037
Each (In a Pack of 10)
units
2 A 125 V ac/dc 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm T Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 738-2863
Mfr. Part No.015402.5DR
BrandLittelfuse
€1.91
Each (In a Pack of 10)
units
2.5 A 125 V 9.73mm 5.03mm 3.81mm - 9.73 x 5.03 x 3.81mm F - - -55°C +125°C - -55 → +125 °C
RS Stock No. 541-3417
Mfr. Part No.0451003.MRL
BrandLittelfuse
€0.765
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. 541-3603
Mfr. Part No.0466002.NR
BrandLittelfuse
€0.084
Each (In a Pack of 10)
units
2 A 63 V ac/dc 3.175mm 1.524mm 0.585mm - 3.175 x 1.524 x 0.585mm FF Advanced High Temperature Substrate 50 A @ 63 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
€0.758
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. 738-2835
Mfr. Part No.0452.750MRL
BrandLittelfuse
€1.098
Each (In a Pack of 10)
units
750 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. 738-2949
Mfr. Part No.0451008.MRL
BrandLittelfuse
€0.803
Each (In a Pack of 10)
units
8 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. 541-3467
Mfr. Part No.0451010.MRL
BrandLittelfuse
€1.448
Each (In a Pack of 10)
units
10 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. 769-3722
Mfr. Part No.0451010.NRL
BrandLittelfuse
€1.435
Each (In a Pack of 10)
units
10 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. 769-3744
Mfr. Part No.0452005.NRL
BrandLittelfuse
€1.34
Each (In a Pack of 5)
units
5 A 125 V ac 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm T Ceramic - -55°C +125°C - -55 → +125 °C
RS Stock No. 541-3675
Mfr. Part No.0452005.MRL
BrandLittelfuse
€1.037
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 T Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 769-3741
Mfr. Part No.0456030.ER
BrandLittelfuse
€3.554
Each (In a Pack of 5)
units
30 A 125 V ac 10.1mm 3.12mm 3.12mm - 10.1 x 3.12 x 3.12mm FF Ceramic - -55°C +125°C - -55 → +125 °C
RS Stock No. 738-2911
Mfr. Part No.04513.15MR
BrandLittelfuse
€0.438
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. 738-2952
Mfr. Part No.0451.125MRL
BrandLittelfuse
€2.426
Each (In a Pack of 10)
units
125 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
RS Stock No. 541-3619
Mfr. Part No.0466003.NR
BrandLittelfuse
€0.546
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