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. 647-8033
FabrikantnummerMF-SM100-2
FabrikantBourns
€ 0,276
Each (In a Pack of 10)
Aantal stuks
2.2A 30 V 0.5s 1.1 A 80 A 7.98mm 3mm 5.44mm Tin Plated Brass 0.12Ω 480mΩ 1.7W -40°C +85°C
RS-stocknr. 787-4259
Fabrikantnummer1812L075/33DR
FabrikantLittelfuse
€ 0,408
Each (In a Pack of 10)
Aantal stuks
1.5A 33 V dc 0.2s 0.75 A 20 A 4.73mm 1.55mm 3.41mm Tin Plated Copper 0.11Ω 400mΩ 0.8W -40°C +85°C
RS-stocknr. 691-7490
FabrikantnummerMF-PSMF010X-2
FabrikantBourns
€ 0,334
Each (In a Pack of 5)
Aantal stuks
- 15 V 1.5s 0.1 A 40 A 2.3mm 0.85mm 1.5mm Gold Plated Nickel 7.5Ω 0.5W -40°C +85°C
RS-stocknr. 517-7206
FabrikantnummerMICROSMD005F-2
FabrikantLittelfuse
€ 0,389
Each (In a Pack of 20)
Aantal stuks
150mA 30 V dc 1.5s 0.05 A 10 A 3.43mm 0.85mm 2.8mm - 3.6Ω 50Ω 1W - +85°C
RS-stocknr. 167-4470
FabrikantnummerMF-PSMF010X-2
FabrikantBourns
€ 0,297
Each (On a Reel of 3000)
Aantal stuks
300mA 15 V 1.5s 0.1 A 40 A 2.3mm 0.85mm 1.5mm Gold Plated Nickel 7.5Ω 0.5W -40°C +85°C
RS-stocknr. 691-7591
FabrikantnummerMF-SMDF150-2
FabrikantBourns
€ 0,57
Each (In a Pack of 5)
Aantal stuks
3A 15 V 0.8s 1.5 A 40 A 5.44mm 0.85mm 4.93mm Electroless Nickel Immersion Gold 0.05Ω 170mΩ 1.1W -40°C +85°C
RS-stocknr. 647-8156
FabrikantnummerMF-MSMF050-2
FabrikantBourns
€ 0,291
Each (In a Pack of 10)
Aantal stuks
1A 15 V 0.15s 0.5 A 100 A 4.73mm 0.85mm 3.41mm Electroless Nickel Immersion Gold 0.15Ω 0.8W -40°C +85°C
RS-stocknr. 647-8409
FabrikantnummerMF-USMF050-2
FabrikantBourns
€ 0,243
Each (In a Pack of 10)
Aantal stuks
1A 13.2 V 0.1s 0.5 A 40 A 3.43mm 0.85mm 2.8mm Electroless Nickel Immersion Gold 0.18Ω 900mΩ 0.6W -40°C +85°C
RS-stocknr. 817-1614
FabrikantnummerCMF-RL25U-0
FabrikantBourns
€ 0,482
Each (In a Pack of 10)
Aantal stuks
150mA 220 V 0.25s 0.06 A 900 mA - 3.5mm 5.2mm - - 25Ω - -40°C +125°C
RS-stocknr. 167-4519
FabrikantnummerMF-SMDF150-2
FabrikantBourns
€ 0,248
Each (On a Reel of 6000)
Aantal stuks
3A 15 V 0.8s 1.5 A 40 A 5.44mm 0.85mm 4.93mm Electroless Nickel Immersion Gold 0.05Ω 170mΩ 1.1W -40°C +85°C
RS-stocknr. 647-8358
FabrikantnummerMF-USMF010-2
FabrikantBourns
€ 0,258
Each (In a Pack of 10)
Aantal stuks
- 30 V 0.6s 0.1 A 10 A 3.43mm 1.1mm 2.8mm Electroless Nickel Immersion Gold 0.8Ω 15Ω 0.6W -40°C +85°C
RS-stocknr. 647-8184
FabrikantnummerMF-MSMF075/24-2
FabrikantBourns
€ 0,301
Each (In a Pack of 10)
Aantal stuks
1.5A 24 V 0.2s 0.75 A 40 A 4.73mm 0.85mm 3.41mm Electroless Nickel Immersion Gold 0.11Ω 450mΩ 0.8W -40°C +85°C
RS-stocknr. 506-949
FabrikantnummerNANOSMDC016F
FabrikantLittelfuse
€ 0,343
Each (In a Pack of 10)
Aantal stuks
450mA 48 V dc 0.3s 0.16 A 10 A 3.4mm 1mm 1.8mm - 1.1Ω 0.5W - +85°C
RS-stocknr. 647-8178
FabrikantnummerMF-MSMF030-2
FabrikantBourns
€ 0,255
Each (In a Pack of 10)
Aantal stuks
- 30 V 0.1s 0.3 A 10 A 4.73mm 1.1mm 3.41mm Electroless Nickel Immersion Gold 0.3Ω 0.8W -40°C +85°C
RS-stocknr. 517-7105
FabrikantnummerMINISMDC020F-2
FabrikantLittelfuse
€ 0,339
Each (In a Pack of 10)
Aantal stuks
400mA 30 V dc 0.02s 0.2 A 10 A 4.73mm 0.89mm 3.41mm - 0.6Ω 3.3Ω 0.8W - +85°C
RS-stocknr. 506-993
FabrikantnummerNANOSMDC012F
FabrikantLittelfuse
€ 0,343
Each (In a Pack of 10)
Aantal stuks
390mA 48 V dc 0.2s 0.12 A 10 A 3.4mm 1mm 1.8mm - 1.4Ω 6.5Ω 0.5W - +85°C
RS-stocknr. 647-8342
FabrikantnummerMF-USMF005-2
FabrikantBourns
€ 0,435
Each (In a Pack of 10)
Aantal stuks
- 30 V 1.5s 0.05 A 10 A 3.43mm 1.1mm 2.8mm Electroless Nickel Immersion Gold 2.8Ω 50Ω 0.6W -40°C +85°C
RS-stocknr. 647-8190
FabrikantnummerMF-MSMF075-2
FabrikantBourns
€ 0,302
Each (In a Pack of 10)
Aantal stuks
1.5A 13.2 V 0.2s 0.75 A 100 A 4.73mm 0.85mm 3.41mm Electroless Nickel Immersion Gold 0.11Ω 450mΩ 0.8W -40°C +85°C
RS-stocknr. 647-8011
FabrikantnummerMF-SM100/33-2
FabrikantBourns
€ 0,37
Each (In a Pack of 10)
Aantal stuks
2.2A 33 V 0.5s 1.1 A 40 A 7.98mm 3mm 5.44mm Tin Plated Brass 0.12Ω 410mΩ 1.7W -40°C +85°C
RS-stocknr. 787-4215
Fabrikantnummer0603L010YR
FabrikantLittelfuse
€ 1,09
Each (In a Pack of 5)
Aantal stuks
- 15 V dc 1s 0.1 A 40 A 1.8mm 0.75mm 1mm Tin Plated Copper 0.9Ω 0.5W -40°C +85°C