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
3A 125V 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
3A 125V 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. 541-3417
Mfr. Part No.0451003.MRL
BrandLittelfuse
€0.765
Each (In a Pack of 10)
units
3A 125V 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. 769-3719
Mfr. Part No.0451001.NRL
BrandLittelfuse
€0.803
Each (In a Pack of 10)
units
1A 125V 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. 738-2863
Mfr. Part No.015402.5DR
BrandLittelfuse
€1.372
Each (In a Pack of 10)
units
2.5A 125V 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. 769-3738
Mfr. Part No.0452002.NRL
BrandLittelfuse
€1.098
Each (In a Pack of 10)
units
2A 125V 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. 541-3388
Mfr. Part No.0451001.MRL
BrandLittelfuse
€0.765
Each (In a Pack of 10)
units
1A 125V 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
2A 125V 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. 541-3350
Mfr. Part No.0451.500MRL
BrandLittelfuse
€0.758
Each (In a Pack of 10)
units
500mA 125V 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
€0.708
Each (In a Pack of 10)
units
750mA 125V 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm T Ceramic 300 A @ 32 V dc, 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 to +125 °C
RS Stock No. 738-2949
Mfr. Part No.0451008.MRL
BrandLittelfuse
€0.577
Each (In a Pack of 10)
units
8A 125V 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 300 A @ 32 V dc, 50 A @ 125 V ac/dc -55°C +125°C Gold Plated, Silver Plated, SnPb Plated -55 to +125 °C
RS Stock No. 541-3603
Mfr. Part No.0466002.NR
BrandLittelfuse
€0.084
Each (In a Pack of 10)
units
2A 63V 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. 769-3722
Mfr. Part No.0451010.NRL
BrandLittelfuse
€1.031
Each (In a Pack of 10)
units
10A 125V 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
5A 125V 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. 541-3467
Mfr. Part No.0451010.MRL
BrandLittelfuse
€1.448
Each (In a Pack of 10)
units
10A 125V 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. 541-3675
Mfr. Part No.0452005.MRL
BrandLittelfuse
€1.037
Each (In a Pack of 10)
units
5A 125V 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. 787-4230
Mfr. Part No.0466005.NR
BrandLittelfuse
€0.452
Each (In a Pack of 5)
units
5A 32V 3.175mm 1.524mm 0.584mm - 3.175 x 1.524 x 0.584mm F - 50 A @ 32 V ac/dc -55°C +90°C Tin Over Nickel Over Copper -55 → +90 °C
RS Stock No. 738-2952
Mfr. Part No.0451.125MRL
BrandLittelfuse
€2.426
Each (In a Pack of 10)
units
125mA 125V 6.1mm 2.69mm 2.69mm - 6.1 x 2.69 x 2.69mm FF Ceramic 300 A @ 32 V dc, 50 A @ 125 V ac/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
€0.373
Each (In a Pack of 10)
units
3A 32V 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. 820-7155
Mfr. Part No.0440003.WR
BrandLittelfuse
€0.363
Each (In a Pack of 100)
units
3A 32V ac/dc 3.2mm 1.63mm 0.818mm - 3.2 x 1.63 x 0.8179mm F Ceramic - -55°C +150°C Nickel, Silver, Tin -55 → +150 °C