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. 173-8121
Mfr. Part No.3403.0174.24
BrandSchurter
TWD33,256.00
1 Reel of 2000
Reel(s)
6.3 A 125 V dc, 250 V ac 10.1mm 3mm 3mm - 10.1 x 3 x 3mm T Ceramic 35 A @ 250 V dc, 100 A @ 250 V ac -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 541-3366
Mfr. Part No.0451.750HL
BrandLittelfuse
TWD19.90
Each (In a Pack of 10)
units
750 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. 703-2701
Mfr. Part No.3403.0174.24
BrandSchurter
TWD24.00
Each (In a Bag of 10)
units
6.3 A - 10.1mm 3mm 3mm - 10.1 x 3 x 3mm T Ceramic 35 A @ 250 V dc, 100 A @ 250 V ac -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 820-7050
Mfr. Part No.0437002.WR
BrandLittelfuse
TWD27.70
Each (In a Pack of 100)
units
2 A 63 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. 541-3417
Mfr. Part No.0451003.MRL
BrandLittelfuse
TWD23.60
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. 867-4426
Mfr. Part No.3403.0174.11
BrandSchurter
TWD28.60
Each (In a Pack of 100)
units
6.3 A - 10.1mm 3mm 3mm - 10.1 x 3 x 3mm T Ceramic - -55°C +125°C Tin Plated Copper -55 → +125 °C
RS Stock No. 849-5724
Mfr. Part No.TR-3216FF3-R
TWD29.00
Each
units
3 A - 3.2mm 1.6mm 0.89mm - 3.2 x 1.6 x 0.89mm F - - -55°C +125°C - -55 → +125 °C
RS Stock No. 219-6103
Mfr. Part No.0154002.DR
BrandLittelfuse
TWD59.70
Each (In a Pack of 10)
units
2 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/dc -55°C +125°C Tin/Lead Plated Beryllium Copper -55 → +125 °C
RS Stock No. 173-8012
Mfr. Part No.3403.0172.24
BrandSchurter
TWD41,564.00
1 Reel of 2000
Reel(s)
4 A 125 V dc, 250 V ac 10.1mm 3mm 3.75mm - 10.1 x 3 x 3.75mm T Ceramic 35 A @ 250 V dc, 200 A @ 277 V ac -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 736-0762
Mfr. Part No.3403.0172.24
BrandSchurter
TWD27.60
Each (In a Pack of 10)
units
4 A 125 V dc, 250 V ac 10.1mm 3mm 3.75mm - 10.1 x 3 x 3.75mm T Ceramic 35 A @ 250 V dc, 200 A @ 277 V ac -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
RS Stock No. 876-8063
Mfr. Part No.1206L150THWR
BrandLittelfuse
TWD32,520.00
1 Pack of 3000
Pack(s)
- 8 V dc 3.4mm 1.8mm 0.75mm - 3.4 x 1.8 x 0.75mm - - - -40°C +85°C Solder Plated Copper -40 → +85 °C
RS Stock No. 692-5078
Mfr. Part No.SF-1206S500-2
BrandBourns
TWD25.20
Each (In a Pack of 10)
units
5 A 24 V dc 3.1mm 1.55mm 0.6mm - 3.1 x 1.55 x 0.6mm T Ceramic 50 A -40°C +105°C Tin Plated Copper/Nickel -40 → +105 °C
RS Stock No. 624-3073
Mfr. Part No.1206SFS150F/63-2
BrandLittelfuse
TWD13.60
Each (In a Pack of 10)
units
1.5 A 63 V 3.2mm 1.6mm 1.1mm - 3.2 x 1.6 x 1.1mm T Ceramic 50 A -55°C +125°C Nickel, Silver, Tin -55 → +125 °C
RS Stock No. 738-2895
Mfr. Part No.0154.315DR
BrandLittelfuse
TWD86.20
Each (In a Pack of 10)
units
315 mA 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. 769-3722
Mfr. Part No.0451010.NRL
BrandLittelfuse
TWD55.50
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. 541-3388
Mfr. Part No.0451001.MRL
BrandLittelfuse
TWD25.60
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. 738-2876
Mfr. Part No.015401.5DRT
BrandLittelfuse
TWD87.20
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. 541-3681
Mfr. Part No.0466.200NR
BrandLittelfuse
TWD21.00
Each (In a Pack of 10)
units
200 mA 125 V ac/dc 3.175mm 1.524mm 0.584mm - 3.175 x 1.524 x 0.584mm 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. 787-4328
Mfr. Part No.0449002.MR
BrandLittelfuse
TWD52.40
Each (In a Pack of 5)
units
2 A 125 V 6.1mm 2.9mm 2.9mm - 6.1 x 2.9 x 2.9mm T Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
RS Stock No. 541-3625
Mfr. Part No.0452001.MRL
BrandLittelfuse
TWD31.00
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