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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
Littelfuse 3.5A T Non-Resettable Surface Mount Fuse, 125V
RS Stock No. 738-2857
Mfr. Part No.015403.5DRT
BrandLittelfuse
TWD105.50
Each (In a Pack of 10)
units
 3.5 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
Littelfuse 2A T Surface Mount Fuse, 125V ac/dc
RS Stock No. 219-6232
Mfr. Part No.0154002.DRT
BrandLittelfuse
TWD132.70
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 T Thermoplastic 50 A @ 125 V ac/dc -55°C +125°C Tin/Lead Plated Beryllium Copper -55 → +125 °C
Littelfuse 2A T Non-Resettable Surface Mount Fuse, 125V ac
RS Stock No. 769-3738
Mfr. Part No.0452002.NRL
BrandLittelfuse
TWD48.20
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
Littelfuse 2A T Surface Mount Fuse, 125V ac/dc
RS Stock No. 541-3631
Mfr. Part No.0452002.MRL
BrandLittelfuse
TWD58.20
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
Littelfuse 250mA FF Surface Mount Fuse, 125V ac/dc
RS Stock No. 541-3338
Mfr. Part No.0451.250MRL
BrandLittelfuse
TWD43.80
Each (In a Pack of 10)
units
 250 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
Littelfuse 8A FF Non-Resettable Surface Mount Fuse, 125V
RS Stock No. 738-2949
Mfr. Part No.0451008.MRL
BrandLittelfuse
TWD32.80
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
Littelfuse 125mA FF Non-Resettable Surface Mount Fuse, 125V
RS Stock No. 738-2952
Mfr. Part No.0451.125MRL
BrandLittelfuse
TWD90.20
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
Littelfuse 7A FF Non-Resettable Surface Mount Fuse, 24V ac/dc
RS Stock No. 876-8186
Mfr. Part No.0429007.WRML
BrandLittelfuse
TWD21.60
Each (In a Pack of 50)
units
 7 A 24 V ac/dc 3.18mm 1.52mm 1.14mm - 3.18 x 1.52 x 1.14mm FF Epoxy Substrate - -55°C +90°C Tin Over Nickel Over Copper -55 → +90 °C
Littelfuse 2A FF Surface Mount Fuse, 125V ac/dc
RS Stock No. 541-3401
Mfr. Part No.0451002.MRL
BrandLittelfuse
TWD40.40
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 FF Ceramic 50 A @ 125 V ac/dc -55°C +125°C Gold Plated -55 → +125 °C
Littelfuse 3A FF Surface Mount Fuse, 32V ac/dc
RS Stock No. 541-3619
Mfr. Part No.0466003.NR
BrandLittelfuse
TWD22.40
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
Littelfuse 3.5A F Non-Resettable Surface Mount Fuse, 125V
RS Stock No. 738-2851
Mfr. Part No.015403.5DR
BrandLittelfuse
TWD72.20
Each (In a Pack of 10)
units
 3.5 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
Littelfuse 2A FF Non-Resettable Surface Mount Fuse, 125V ac
RS Stock No. 769-3713
Mfr. Part No.0451002.NRL
BrandLittelfuse
TWD30.40
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 FF Ceramic - -55°C +125°C - -55 → +125 °C
Littelfuse 7A F Non-Resettable Surface Mount Fuse, 32V
RS Stock No. 820-7060
Mfr. Part No.0437007.WR
BrandLittelfuse
TWD24.50
Each (In a Pack of 100)
units
 7 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
Schurter 2A F Surface Mount Fuse, 63V ac/dc
RS Stock No. 100-2798
Mfr. Part No.3402.0012.11
BrandSchurter
TWD24.30
Each (In a Pack of 10)
units
 2 A 63 V ac/dc 7.4mm 3.1mm 2.6mm - 7.4 x 3.1 x 2.6mm F Thermoplastic 50 A @ 63 V ac/dc -55°C +125°C Tin Plated Copper Alloy -55 → +125 °C
Schurter 1A T Non-Resettable Surface Mount Fuse, 125 V dc, 250 V ac
RS Stock No. 173-8007
Mfr. Part No.3403.0166.24
BrandSchurter
TWD27,796.00
1 Reel of 2000
Reel(s)
 1 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
Littelfuse 6A F Surface Mount Fuse, 24V
RS Stock No. 624-3017
Mfr. Part No.1206SFF600F/24-2
BrandLittelfuse
TWD27.20
Each (In a Pack of 10)
units
 6 A 24 V 3.2mm 1.6mm 1.1mm - 3.2 x 1.6 x 1.1mm F Ceramic 45 A -55°C +125°C Nickel, Silver, Tin -55 → +125 °C
Littelfuse 1.5A FF Surface Mount Fuse, 125V ac/dc
RS Stock No. 541-3394
Mfr. Part No.045101.5MRL
BrandLittelfuse
TWD56.90
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
Schurter 1A T Non-Resettable Surface Mount Fuse, 125 V dc, 250 V ac
RS Stock No. 736-0740
Mfr. Part No.3403.0166.24
BrandSchurter
TWD21.80
Each (In a Pack of 10)
units
 1 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
Littelfuse 375mA FF Surface Mount Fuse, 125V ac/dc
RS Stock No. 541-3344
Mfr. Part No.0451.375MRL
BrandLittelfuse
TWD33.40
Each (In a Pack of 10)
units
 375 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
Schurter 4A T Non-Resettable Surface Mount Fuse, 125 V dc, 250 V ac
RS Stock No. 173-8012
Mfr. Part No.3403.0172.24
BrandSchurter
TWD40,992.00
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
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