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. 647-7995
FabrikantnummerMF-SMDF050-2
FabrikantBourns
€ 0,289
Each (In a Pack of 10)
Aantal stuks
1.2A 60 V 3s 0.55 A 10 A 5.44mm 1.09mm 4.93mm Electroless Nickel Immersion Gold 0.2Ω 0.9W -40°C +85°C
RS-stocknr. 647-8370
FabrikantnummerMF-USMF020-2
FabrikantBourns
€ 0,326
Each (In a Pack of 10)
Aantal stuks
- 30 V 0.02s 0.2 A 10 A 3.43mm 1.1mm 2.8mm Electroless Nickel Immersion Gold 0.4Ω 0.6W -40°C +85°C
RS-stocknr. 647-8049
FabrikantnummerMF-SM075-2
FabrikantBourns
€ 0,424
Each (In a Pack of 10)
Aantal stuks
1.5A 30 V 0.3s 0.75 A 80 A 7.98mm 3.18mm 5.44mm Tin Plated Brass 0.23Ω 1.7W -40°C +85°C
RS-stocknr. 897-8967
FabrikantnummerMF-MSMF250/16X-2
FabrikantBourns
€ 0,466
Each (In a Pack of 10)
Aantal stuks
5A 16 V 5s 2.5 A 100 A 4.83mm 1.6mm 3.41mm Gold Plated Nickel 0.015Ω 100mΩ 1.2W -40°C +85°C
RS-stocknr. 647-8027
FabrikantnummerMF-SM050-2
FabrikantBourns
€ 0,424
Each (In a Pack of 10)
Aantal stuks
1A 60 V 4s 0.5 A 40 A 7.98mm 3.18mm 5.44mm Tin Plated Brass 0.35Ω 1.4Ω 1.7W -40°C +85°C
RS-stocknr. 647-8140
FabrikantnummerMF-MSMF020-2
FabrikantBourns
€ 0,421
Each (In a Pack of 10)
Aantal stuks
- 30 V 0.06s 0.2 A 80 A 4.73mm 1.1mm 3.41mm Electroless Nickel Immersion Gold 0.4Ω 0.8W -40°C +85°C
RS-stocknr. 817-1652
FabrikantnummerMF-LSMF300/24X-2
FabrikantBourns
€ 0,625
Each (In a Pack of 10)
Aantal stuks
5.2A 24 V 5s 3 A 20 A 7.98mm 1.6mm 5.44mm Electroless Nickel Immersion Gold 0.02Ω 75mΩ 1.5W -40°C +85°C
RS-stocknr. 647-8336
FabrikantnummerMF-NSMF200-2
FabrikantBourns
€ 0,652
Each (In a Pack of 10)
Aantal stuks
4A 6 V 1s 2 A 100 A 3.5mm 1.6mm 1.8mm Electroless Nickel Immersion Gold 0.02Ω 85mΩ 0.7W -40°C +85°C
RS-stocknr. 734-8882
FabrikantnummerMF-MSMF020/60-2
FabrikantBourns
€ 0,41
Each (In a Bag of 10)
Aantal stuks
- 30 V 0.06s 0.20 A 80 A - - - - 0.40Ω 0.8W 0°C +23°C
RS-stocknr. 167-4470
FabrikantnummerMF-PSMF010X-2
FabrikantBourns
€ 0,295
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. 647-8033
FabrikantnummerMF-SM100-2
FabrikantBourns
€ 0,424
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. 691-7490
FabrikantnummerMF-PSMF010X-2
FabrikantBourns
€ 0,33
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. 817-1614
FabrikantnummerCMF-RL25U-0
FabrikantBourns
€ 0,345
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. 647-8156
FabrikantnummerMF-MSMF050-2
FabrikantBourns
€ 0,296
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
€ 0,41
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. 647-8358
FabrikantnummerMF-USMF010-2
FabrikantBourns
€ 0,323
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. 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. 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. 647-8184
FabrikantnummerMF-MSMF075/24-2
FabrikantBourns
€ 0,575
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. 647-8190
FabrikantnummerMF-MSMF075-2
FabrikantBourns
€ 0,381
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