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. 738-3289
Mfr. Part No.0468.500NR
BrandLittelfuse
HK$5.655
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. 541-3625
Mfr. Part No.0452001.MRL
BrandLittelfuse
HK$8.076
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 T Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 541-3574
Mfr. Part No.0466001.NR
BrandLittelfuse
HK$3.64
Each (In a Pack of 10)
units
1 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. 738-2876
Mfr. Part No.015401.5DRT
BrandLittelfuse
HK$21.39
Each (In a Pack of 10)
units
1.5 A 125 V 9.73mm 5.03mm 3.81mm - 9.73 x 5.03 x 3.81mm T - - -55°C +125°C - -55 → +125 °C
RS Stock No. 173-8006
Mfr. Part No.3403.0164.24
BrandSchurter
HK$7,500.00
1 Reel of 2000
Reel(s)
630 mA 125 V dc, 250 V ac 10.1mm 3mm 3.75mm - 10.1 x 3 x 3.75mm T Ceramic 100 A @ 125 V dc, 200 A @ 250 V ac -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 736-0738
Mfr. Part No.3403.0164.24
BrandSchurter
HK$5.38
Each (In a Pack of 10)
units
630 mA 125 V dc, 250 V ac 10.1mm 3mm 3.75mm - 10.1 x 3 x 3.75mm T Ceramic 100 A @ 125 V dc, 200 A @ 250 V ac -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 541-3451
Mfr. Part No.0451007.MRL
BrandLittelfuse
HK$5.66
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. 820-7149
Mfr. Part No.0440.750WR
BrandLittelfuse
HK$4.71
Each (In a Pack of 100)
units
750 mA 63 V 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
RS Stock No. 541-3350
Mfr. Part No.0451.500MRL
BrandLittelfuse
HK$6.51
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. 769-3722
Mfr. Part No.0451010.NRL
BrandLittelfuse
HK$14.018
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. 541-3423
Mfr. Part No.0451004.MRL
BrandLittelfuse
HK$5.83
Each (In a Pack of 10)
units
4 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. 738-2983
Mfr. Part No.045202.5MRL
BrandLittelfuse
HK$10.043
Each (In a Pack of 10)
units
2.5 A 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. 541-3467
Mfr. Part No.0451010.MRL
BrandLittelfuse
HK$9.249
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. 173-8045
Mfr. Part No.3403.0277.23
BrandSchurter
HK$10,425.00
1 Reel of 1500
Reel(s)
2 A 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. 777-7514
Mfr. Part No.7010.9790.63
BrandSchurter
HK$16.34
Each
units
500 mA 125 V ac/dc 7mm 2mm - - 7 x 2 Dia.mm F Ceramic 300 A @ 125 V ac/dc -55°C +125°C Copper Alloy -55 → +125 °C
RS Stock No. 830-4192
Mfr. Part No.3403.0277.23
BrandSchurter
HK$9.88
Each (In a Pack of 10)
units
2 A - 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. 541-3388
Mfr. Part No.0451001.MRL
BrandLittelfuse
HK$6.10
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. 820-7066
Mfr. Part No.0437005.WR
BrandLittelfuse
HK$6.313
Each (In a Pack of 100)
units
5 A 32 V 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
RS Stock No. 769-3719
Mfr. Part No.0451001.NRL
BrandLittelfuse
HK$7.22
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. 541-3669
Mfr. Part No.0452004.MRL
BrandLittelfuse
HK$8.086
Each (In a Pack of 10)
units
4 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
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