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. 517-7054
FabrikantnummerSMD100F-2
FabrikantLittelfuse
€ 0,435
Each (In a Pack of 10)
Aantal stuks
2.2A 30V 0.5s 1.1A 40 A 7.98mm 3mm 5.44mm - 0.12Ω 480mΩ 1.7W - +85°C
RS-stocknr. 647-7995
FabrikantnummerMF-SMDF050-2
FabrikantBourns
€ 0,314
Each (In a Pack of 10)
Aantal stuks
1.2A 60V 3s 0.55A 10 A 5.44mm 1.09mm 4.93mm Electroless Nickel Immersion Gold 0.2Ω 0.9W -40°C +85°C
RS-stocknr. 787-4255
Fabrikantnummer1812L110/33MR
FabrikantLittelfuse
€ 0,391
Each (In a Pack of 10)
Aantal stuks
1.95A 33V dc 0.5s 1.1A 20 A 4.73mm 2mm 3.41mm Tin Plated Copper 0.06Ω 200mΩ 0.8W -40°C +85°C
RS-stocknr. 867-5261
FabrikantnummerMINISMDC075F/24-2
FabrikantLittelfuse
€ 0,434
Each (In a Bag of 10)
Aantal stuks
1.5A 24V dc 0.3s 0.75A 40 A 3.41mm 4.83mm 1.46mm Tin 0.09Ω 290mΩ 0.8W -40°C +85°C
RS-stocknr. 647-8049
FabrikantnummerMF-SM075-2
FabrikantBourns
€ 0,27
Each (In a Pack of 10)
Aantal stuks
1.5A 30V 0.3s 0.75A 80 A 7.98mm 3.18mm 5.44mm Tin Plated Brass 0.23Ω 1.7W -40°C +85°C
RS-stocknr. 647-8370
FabrikantnummerMF-USMF020-2
FabrikantBourns
€ 0,25
Each (In a Pack of 10)
Aantal stuks
- 30V 0.02s 0.2A 10 A 3.43mm 1.1mm 2.8mm Electroless Nickel Immersion Gold 0.4Ω 0.6W -40°C +85°C
RS-stocknr. 517-7111
FabrikantnummerMINISMDC050F-2
FabrikantLittelfuse
€ 0,336
Each (In a Pack of 10)
Aantal stuks
1A 24V dc 0.15s 0.5A 100 A 4.73mm 0.62mm 3.41mm - 0.15Ω 0.8W - +85°C
RS-stocknr. 897-8967
FabrikantnummerMF-MSMF250/16X-2
FabrikantBourns
€ 0,573
Each (In a Pack of 10)
Aantal stuks
5A 16V 5s 2.5A 100 A 4.83mm 1.6mm 3.41mm Gold Plated Nickel 0.015Ω 100mΩ 1.2W -40°C +85°C
RS-stocknr. 895-1631
Fabrikantnummer1812L050/30PR
FabrikantLittelfuse
€ 0,65
Each (In a Pack of 10)
Aantal stuks
1A 30V dc 0.15s 0.5A 100 A 4.73mm 1mm 3.41mm Solder Plated Copper 0.15Ω 0.8W -40°C +85°C
RS-stocknr. 647-8027
FabrikantnummerMF-SM050-2
FabrikantBourns
€ 0,27
Each (In a Pack of 10)
Aantal stuks
1A 60V 4s 0.5A 40 A 7.98mm 3.18mm 5.44mm Tin Plated Brass 0.35Ω 1.4Ω 1.7W -40°C +85°C
RS-stocknr. 647-8336
FabrikantnummerMF-NSMF200-2
FabrikantBourns
€ 0,389
Each (In a Pack of 10)
Aantal stuks
4A 6V 1s 2A 100 A 3.5mm 1.6mm 1.8mm Electroless Nickel Immersion Gold 0.02Ω 85mΩ 0.7W -40°C +85°C
RS-stocknr. 647-8140
FabrikantnummerMF-MSMF020-2
FabrikantBourns
€ 0,256
Each (In a Pack of 10)
Aantal stuks
- 30V 0.06s 0.2A 80 A 4.73mm 1.1mm 3.41mm Electroless Nickel Immersion Gold 0.4Ω 0.8W -40°C +85°C
RS-stocknr. 867-5337
FabrikantnummerSMD030F-2018-2
FabrikantLittelfuse
€ 0,406
Each (In a Bag of 10)
Aantal stuks
- 60V dc 1.5s 0.3A 20 A 5.44mm 1.78mm 4.93mm - 0.5Ω 2.3Ω 1.5W -40°C +85°C
RS-stocknr. 817-1652
FabrikantnummerMF-LSMF300/24X-2
FabrikantBourns
€ 0,64
Each (In a Pack of 10)
Aantal stuks
5.2A 24V 5s 3A 20 A 7.98mm 1.6mm 5.44mm Electroless Nickel Immersion Gold 0.02Ω 75mΩ 1.5W -40°C +85°C
RS-stocknr. 164-8231
FabrikantnummerSMD030F-2018-2
FabrikantLittelfuse
€ 1.700,00
1 Tape of 4000
Tape(s)
- 60V dc 1.5s 0.3A 20 A 5.44mm 1.78mm 4.93mm - 0.5Ω 2.3Ω 1.5W -40°C +85°C
RS-stocknr. 787-4209
Fabrikantnummer1206L025YR
FabrikantLittelfuse
€ 0,324
Each (In a Pack of 10)
Aantal stuks
- 16V dc 0.08s 0.25A 100 A 3.4mm 1mm 1.8mm Tin Plated Copper 0.55Ω 2.3Ω 0.6W -40°C +85°C
RS-stocknr. 787-4261
Fabrikantnummer2920L150DR
FabrikantLittelfuse
€ 0,574
Each (In a Pack of 5)
Aantal stuks
3A 33V dc 2s 1.5A 40 A 7.98mm 1.25mm 5.44mm Tin Plated Copper 0.08Ω 230mΩ 1.5W -40°C +85°C
RS-stocknr. 734-8882
FabrikantnummerMF-MSMF020/60-2
FabrikantBourns
€ 0,341
Each (In a Bag of 10)
Aantal stuks
- 30V 0.06s 0.20A 80 A - - - - 0.40Ω 0.8W 0°C +23°C
RS-stocknr. 787-4189
Fabrikantnummer1210L010WR
FabrikantLittelfuse
€ 0,35
Each (In a Pack of 10)
Aantal stuks
- 30V dc 1.5s 0.1A 10 A 3.43mm 1.25mm 2.8mm Tin Plated Copper 1.6Ω 15Ω 0.6W -40°C +85°C
RS-stocknr. 167-4470
FabrikantnummerMF-PSMF010X-2
FabrikantBourns
€ 0,297
Each (On a Reel of 3000)
Aantal stuks
300mA 15V 1.5s 0.1A 40 A 2.3mm 0.85mm 1.5mm Gold Plated Nickel 7.5Ω 0.5W -40°C +85°C