Resettable Surface Mount Fuses

Resettable surface mount fuses are a reusable type of circuit protection device that is able to be mounted onto printed circuit boards. They trip when the current gets too high, but will function again when conditions return to an acceptable level.

How do resettable surface mount fuses work?

Resettable surface mount fuses form part of the circuit on a PCB (printed circuit board), allowing electrical current to flow through them. When a fault such as overcurrent is detected in the circuit, they are tripped, forcing a break in the circuit which prevents electricity from continuing to flow. This prevents any damage to the circuit or attached devices. Unlike non-resettable surface mount fuses, they can be used over and over, as they will reconnect the circuit when conditions return to normal.

Types of resettable surface mount fuses

Resettable surface mount fuses have a number of characteristics that can vary between models, including terminal material, voltage rating and their operating temperature range. They also come in various different sizes.


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Omschrijving Prijs Trip Current Voltage Rating Time to Trip Hold Current Maximum Current Length Height Width Terminal Material Minimum Resistance Maximum Resistance Power Dissipation Minimum Operating Temperature Maximum Operating Temperature
RS-stocknr. 787-4170
Fabrikantnummer1210L005WR
FabrikantLittelfuse
€ 0,33
Each (In a Pack of 10)
Aantal stuks
- 30 V dc 1.5s 0.05 A 10 A 3.43mm 1.25mm 2.8mm Tin Plated Copper 3.6Ω 50Ω 0.6W -40°C +85°C
RS-stocknr. 167-4517
FabrikantnummerMF-FSMF020X-2
FabrikantBourns
€ 0,334
Each (On a Reel of 6000)
Aantal stuks
500mA 9 V 0.6s 0.2 A 40 A 1.85mm 0.65mm 1.05mm Gold Plated Nickel 0.55Ω 3.5Ω 0.5W -40°C +85°C
RS-stocknr. 691-7594
FabrikantnummerMF-SM185/33-2
FabrikantBourns
€ 0,506
Each (In a Pack of 5)
Aantal stuks
3.6A 33 V 5s 1.8 A 40 A 9.5mm 3mm 6.71mm Tin Plated Brass 0.04Ω 150mΩ 1.9W -40°C +85°C
RS-stocknr. 517-7256
FabrikantnummerMICROSMD075F-2
FabrikantLittelfuse
€ 0,353
Each (In a Pack of 20)
Aantal stuks
1.5A 6 V dc 0.1s 0.75 A 40 A 3.43mm 0.62mm 2.8mm - 0.11Ω 400mΩ 0.8W - +85°C
RS-stocknr. 817-1709
FabrikantnummerMF-S120
FabrikantBourns
€ 0,365
Each (In a Pack of 10)
Aantal stuks
2.7A 15 V 5s 1.2 A 100 A 7.1mm 1mm 5.2mm Quarter Hard Nickel 0.085Ω 160mΩ 1.2W -40°C +85°C
RS-stocknr. 895-1616
Fabrikantnummer0805L050WR
FabrikantLittelfuse
€ 1,721
Each (In a Pack of 10)
Aantal stuks
1A 6 V dc 0.1s 0.5 A 100 A 2.2mm 1.25mm 1.5mm Solder Plated Copper 0.15Ω 850mΩ 0.5W -40°C +85°C
RS-stocknr. 517-7026
FabrikantnummerSMD030F-2
FabrikantLittelfuse
€ 0,403
Each (In a Pack of 10)
Aantal stuks
600mA 60 V 3s 0.3 A 10 A 7.98mm 3.18mm 5.44mm - 1.2Ω 4.8Ω 1.7W - +85°C
RS-stocknr. 138-679
FabrikantnummerNANOSMDC050F/13.2-2
FabrikantLittelfuse
€ 0,313
Each (In a Pack of 10)
Aantal stuks
1.1A 13.2 V dc 0.1s 0.5 A 100 A 3.4mm 0.74mm 1.8mm - 0.2Ω 750mΩ 0.8W - +85°C
RS-stocknr. 787-4277
Fabrikantnummer1812L014DR
FabrikantLittelfuse
€ 0,315
Each (In a Pack of 10)
Aantal stuks
- 60 V dc 0.15s 0.14 A 10 A 4.73mm 1.95mm 3.41mm Tin Plated Copper 1.5Ω 0.8W -40°C +85°C
RS-stocknr. 867-5343
FabrikantnummerSMD150F/33-2
FabrikantLittelfuse
€ 0,403
Each (In a Bag of 10)
Aantal stuks
3A 33 V dc 5s 1.5 A 40 A 9.4mm 3mm 6.71mm - 0.08Ω 230mΩ 1.9W -40°C +85°C
RS-stocknr. 787-4192
Fabrikantnummer1210L020WR
FabrikantLittelfuse
€ 0,33
Each (In a Pack of 10)
Aantal stuks
- 30 V dc 0.02s 0.2 A 10 A 3.43mm 1mm 2.8mm Tin Plated Copper 0.8Ω 0.6W -40°C +85°C
RS-stocknr. 164-8227
FabrikantnummerNANOSMDCH010F-02
FabrikantLittelfuse
€ 1.900,00
1 Tape of 4000
Tape(s)
- 30 V dc 0.1s 0.15 A 10 A 1.8mm 3.4mm 0.7mm Tin 1.1Ω 10Ω 0.8W - -
RS-stocknr. 692-7636
FabrikantnummerMF-FSMF020X-2
FabrikantBourns
€ 0,714
Each (In a Pack of 5)
Aantal stuks
- 9 V 0.6s 0.2 A 40 A 1.85mm 0.65mm 1.05mm Gold Plated Nickel 0.55Ω 3.5Ω 0.5W -40°C +85°C
RS-stocknr. 164-8233
FabrikantnummerSMD150F/33-2
FabrikantLittelfuse
€ 650,00
1 Tape of 1500
Tape(s)
3A 33 V dc 5s 1.5 A 40 A 9.4mm 3mm 6.71mm - 0.08Ω 230mΩ 1.9W -40°C +85°C
RS-stocknr. 867-5249
FabrikantnummerMICROSMD200LR-2
FabrikantLittelfuse
€ 0,75
Each (In a Bag of 10)
Aantal stuks
5A 6 V dc 4s 2 A 50 A 3.43mm 2.8mm 1mm Gold Plated Nickel 0.006Ω 21mΩ 1W -40°C +85°C
RS-stocknr. 174-0841
FabrikantnummerRF1355-000
FabrikantWickmann
€ 0,208
Each (In a Pack of 250)
Aantal stuks
2.2A 6 V dc 0.2s 1.1 A 40 A 3.43mm 0.48mm 2.8mm - 0.07Ω 210mΩ 0.8W -40°C +85°C
RS-stocknr. 174-0320
Fabrikantnummer0251.750MAT1L
FabrikantWickmann
€ 408,42
1 Box of 1000
Box(es)
- 125 V ac/dc - - 750 mA 7.11mm - 2.8 Dia.mm - - 0.17Ω - -55°C +125°C
RS-stocknr. 174-0312
Fabrikantnummer0251002.NRT1L
FabrikantWickmann
€ 2.238,61
1 Reel of 5000
Reel(s)
- 125 V ac/dc - - 2 A 7.11mm - 2.8 Dia.mm - - 0.04Ω - -55°C +125°C
RS-stocknr. 174-0321
Fabrikantnummer0251010.MRT1L
FabrikantWickmann
€ 447,20
1 Reel of 1000
Reel(s)
- 125 V ac/dc - - 10 A 7.11mm - 2.8 Dia.mm - - 0.007Ω - -55°C +125°C
RS-stocknr. 174-0330
Fabrikantnummer2920L700SLPR
FabrikantWickmann
€ 4.875,00
1 Reel of 2000
Reel(s)
14A 6 V dc 0.2s 7 A 50 A 7.98mm 0.65mm 5.44mm Tin Plated Copper 0.001Ω 7mΩ 2.2W -40°C +85°C